Replication and Analysis of Ebbinghaus’ Forgetting Curve
Events
Loading … Spinner

Mendeley | Further Information

{"title"=>"Replication and analysis of Ebbinghaus' forgetting curve", "type"=>"journal", "authors"=>[{"first_name"=>"Jaap M.J.", "last_name"=>"Murre", "scopus_author_id"=>"6701757854"}, {"first_name"=>"Joeri", "last_name"=>"Dros", "scopus_author_id"=>"56803933300"}], "year"=>2015, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84940198322", "pmid"=>"26148023", "pui"=>"605749672", "issn"=>"19326203", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "scopus"=>"2-s2.0-84940198322", "doi"=>"10.1371/journal.pone.0120644"}, "id"=>"da1f9728-6cc7-38ae-944b-269f47332f50", "abstract"=>"We present a successful replication of Ebbinghaus' classic forgetting curve from 1880 based on the method of savings. One subject spent 70 hours learning lists and relearning them after 20 min, 1 hour, 9 hours, 1 day, 2 days, or 31 days. The results are similar to Ebbinghaus' original data. We analyze the effects of serial position on forgetting and investigate what mathematical equations present a good fit to the Ebbinghaus forgetting curve and its replications. We conclude that the Ebbinghaus forgetting curve has indeed been replicated and that it is not completely smooth but most probably shows a jump upwards starting at the 24 hour data point.", "link"=>"http://www.mendeley.com/research/replication-analysis-ebbinghaus-forgetting-curve-1", "reader_count"=>118, "reader_count_by_academic_status"=>{"Unspecified"=>6, "Professor > Associate Professor"=>7, "Student > Doctoral Student"=>12, "Researcher"=>7, "Student > Ph. D. Student"=>17, "Student > Postgraduate"=>8, "Other"=>4, "Student > Master"=>27, "Student > Bachelor"=>24, "Lecturer"=>1, "Professor"=>5}, "reader_count_by_user_role"=>{"Unspecified"=>6, "Professor > Associate Professor"=>7, "Student > Doctoral Student"=>12, "Researcher"=>7, "Student > Ph. D. Student"=>17, "Student > Postgraduate"=>8, "Other"=>4, "Student > Master"=>27, "Student > Bachelor"=>24, "Lecturer"=>1, "Professor"=>5}, "reader_count_by_subject_area"=>{"Unspecified"=>6, "Agricultural and Biological Sciences"=>9, "Arts and Humanities"=>3, "Philosophy"=>1, "Business, Management and Accounting"=>3, "Computer Science"=>7, "Decision Sciences"=>1, "Engineering"=>10, "Nursing and Health Professions"=>3, "Biochemistry, Genetics and Molecular Biology"=>1, "Materials Science"=>1, "Mathematics"=>2, "Medicine and Dentistry"=>18, "Neuroscience"=>6, "Sports and Recreations"=>3, "Pharmacology, Toxicology and Pharmaceutical Science"=>1, "Physics and Astronomy"=>3, "Psychology"=>28, "Social Sciences"=>9, "Linguistics"=>3}, "reader_count_by_subdiscipline"=>{"Materials Science"=>{"Materials Science"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>18}, "Social Sciences"=>{"Social Sciences"=>9}, "Decision Sciences"=>{"Decision Sciences"=>1}, "Sports and Recreations"=>{"Sports and Recreations"=>3}, "Physics and Astronomy"=>{"Physics and Astronomy"=>3}, "Psychology"=>{"Psychology"=>28}, "Mathematics"=>{"Mathematics"=>2}, "Unspecified"=>{"Unspecified"=>6}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>1}, "Arts and Humanities"=>{"Arts and Humanities"=>3}, "Engineering"=>{"Engineering"=>10}, "Neuroscience"=>{"Neuroscience"=>6}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>9}, "Computer Science"=>{"Computer Science"=>7}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>3}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>3}, "Linguistics"=>{"Linguistics"=>3}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Philosophy"=>{"Philosophy"=>1}}, "group_count"=>3}

CrossRef

Scopus | Further Information

{"@_fa"=>"true", "link"=>[{"@_fa"=>"true", "@ref"=>"self", "@href"=>"https://api.elsevier.com/content/abstract/scopus_id/84940198322"}, {"@_fa"=>"true", "@ref"=>"author-affiliation", "@href"=>"https://api.elsevier.com/content/abstract/scopus_id/84940198322?field=author,affiliation"}, {"@_fa"=>"true", "@ref"=>"scopus", "@href"=>"https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84940198322&origin=inward"}, {"@_fa"=>"true", "@ref"=>"scopus-citedby", "@href"=>"https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=84940198322&origin=inward"}], "prism:url"=>"https://api.elsevier.com/content/abstract/scopus_id/84940198322", "dc:identifier"=>"SCOPUS_ID:84940198322", "eid"=>"2-s2.0-84940198322", "dc:title"=>"Replication and analysis of Ebbinghaus' forgetting curve", "dc:creator"=>"Murre J.", "prism:publicationName"=>"PLoS ONE", "prism:eIssn"=>"19326203", "prism:volume"=>"10", "prism:issueIdentifier"=>"7", "prism:pageRange"=>nil, "prism:coverDate"=>"2015-07-06", "prism:coverDisplayDate"=>"6 July 2015", "prism:doi"=>"10.1371/journal.pone.0120644", "citedby-count"=>"71", "affiliation"=>[{"@_fa"=>"true", "affilname"=>"Universiteit van Amsterdam", "affiliation-city"=>"Amsterdam", "affiliation-country"=>"Netherlands"}], "pubmed-id"=>"26148023", "prism:aggregationType"=>"Journal", "subtype"=>"ar", "subtypeDescription"=>"Article", "article-number"=>"e0120644", "source-id"=>"10600153309", "openaccess"=>"1", "openaccessFlag"=>true}

Facebook

  • {"url"=>"http%3A%2F%2Fjournals.plos.org%2Fplosone%2Farticle%3Fid%3D10.1371%252Fjournal.pone.0120644", "share_count"=>0, "like_count"=>0, "comment_count"=>0, "click_count"=>0, "total_count"=>0}

Journal Comments | Further Information

Twitter

Counter

  • {"month"=>"7", "year"=>"2015", "pdf_views"=>"53", "xml_views"=>"4", "html_views"=>"244"}
  • {"month"=>"8", "year"=>"2015", "pdf_views"=>"14", "xml_views"=>"1", "html_views"=>"131"}
  • {"month"=>"9", "year"=>"2015", "pdf_views"=>"14", "xml_views"=>"1", "html_views"=>"76"}
  • {"month"=>"10", "year"=>"2015", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"74"}
  • {"month"=>"11", "year"=>"2015", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"102"}
  • {"month"=>"12", "year"=>"2015", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"112"}
  • {"month"=>"1", "year"=>"2016", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"80"}
  • {"month"=>"2", "year"=>"2016", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"134"}
  • {"month"=>"3", "year"=>"2016", "pdf_views"=>"28", "xml_views"=>"0", "html_views"=>"155"}
  • {"month"=>"4", "year"=>"2016", "pdf_views"=>"31", "xml_views"=>"1", "html_views"=>"165"}
  • {"month"=>"5", "year"=>"2016", "pdf_views"=>"26", "xml_views"=>"0", "html_views"=>"157"}
  • {"month"=>"6", "year"=>"2016", "pdf_views"=>"42", "xml_views"=>"0", "html_views"=>"140"}
  • {"month"=>"7", "year"=>"2016", "pdf_views"=>"24", "xml_views"=>"0", "html_views"=>"75"}
  • {"month"=>"8", "year"=>"2016", "pdf_views"=>"42", "xml_views"=>"0", "html_views"=>"120"}
  • {"month"=>"9", "year"=>"2016", "pdf_views"=>"33", "xml_views"=>"0", "html_views"=>"97"}
  • {"month"=>"10", "year"=>"2016", "pdf_views"=>"50", "xml_views"=>"0", "html_views"=>"180"}
  • {"month"=>"11", "year"=>"2016", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"196"}
  • {"month"=>"12", "year"=>"2016", "pdf_views"=>"38", "xml_views"=>"0", "html_views"=>"282"}
  • {"month"=>"1", "year"=>"2017", "pdf_views"=>"63", "xml_views"=>"3", "html_views"=>"401"}
  • {"month"=>"2", "year"=>"2017", "pdf_views"=>"79", "xml_views"=>"0", "html_views"=>"626"}
  • {"month"=>"3", "year"=>"2017", "pdf_views"=>"123", "xml_views"=>"1", "html_views"=>"873"}
  • {"month"=>"4", "year"=>"2017", "pdf_views"=>"66", "xml_views"=>"3", "html_views"=>"827"}
  • {"month"=>"5", "year"=>"2017", "pdf_views"=>"50", "xml_views"=>"2", "html_views"=>"767"}
  • {"month"=>"6", "year"=>"2017", "pdf_views"=>"43", "xml_views"=>"0", "html_views"=>"640"}
  • {"month"=>"7", "year"=>"2017", "pdf_views"=>"70", "xml_views"=>"3", "html_views"=>"771"}
  • {"month"=>"8", "year"=>"2017", "pdf_views"=>"59", "xml_views"=>"3", "html_views"=>"667"}
  • {"month"=>"9", "year"=>"2017", "pdf_views"=>"103", "xml_views"=>"7", "html_views"=>"951"}
  • {"month"=>"10", "year"=>"2017", "pdf_views"=>"99", "xml_views"=>"3", "html_views"=>"1359"}
  • {"month"=>"11", "year"=>"2017", "pdf_views"=>"108", "xml_views"=>"0", "html_views"=>"1460"}
  • {"month"=>"12", "year"=>"2017", "pdf_views"=>"77", "xml_views"=>"2", "html_views"=>"936"}
  • {"month"=>"1", "year"=>"2018", "pdf_views"=>"86", "xml_views"=>"5", "html_views"=>"1030"}
  • {"month"=>"2", "year"=>"2018", "pdf_views"=>"116", "xml_views"=>"1", "html_views"=>"1125"}
  • {"month"=>"3", "year"=>"2018", "pdf_views"=>"148", "xml_views"=>"2", "html_views"=>"1054"}
  • {"month"=>"4", "year"=>"2018", "pdf_views"=>"194", "xml_views"=>"4", "html_views"=>"947"}
  • {"month"=>"5", "year"=>"2018", "pdf_views"=>"195", "xml_views"=>"2", "html_views"=>"986"}
  • {"month"=>"6", "year"=>"2018", "pdf_views"=>"74", "xml_views"=>"4", "html_views"=>"755"}
  • {"month"=>"7", "year"=>"2018", "pdf_views"=>"132", "xml_views"=>"8", "html_views"=>"776"}
  • {"month"=>"8", "year"=>"2018", "pdf_views"=>"96", "xml_views"=>"3", "html_views"=>"788"}
  • {"month"=>"9", "year"=>"2018", "pdf_views"=>"156", "xml_views"=>"3", "html_views"=>"1084"}
  • {"month"=>"10", "year"=>"2018", "pdf_views"=>"205", "xml_views"=>"2", "html_views"=>"931"}
  • {"month"=>"11", "year"=>"2018", "pdf_views"=>"209", "xml_views"=>"12", "html_views"=>"1137"}
  • {"month"=>"12", "year"=>"2018", "pdf_views"=>"157", "xml_views"=>"4", "html_views"=>"715"}
  • {"month"=>"1", "year"=>"2019", "pdf_views"=>"178", "xml_views"=>"4", "html_views"=>"915"}
  • {"month"=>"2", "year"=>"2019", "pdf_views"=>"225", "xml_views"=>"3", "html_views"=>"915"}
  • {"month"=>"3", "year"=>"2019", "pdf_views"=>"219", "xml_views"=>"3", "html_views"=>"929"}
  • {"month"=>"4", "year"=>"2019", "pdf_views"=>"235", "xml_views"=>"3", "html_views"=>"1140"}
  • {"month"=>"5", "year"=>"2019", "pdf_views"=>"201", "xml_views"=>"2", "html_views"=>"1075"}
  • {"month"=>"6", "year"=>"2019", "pdf_views"=>"148", "xml_views"=>"3", "html_views"=>"790"}
  • {"month"=>"7", "year"=>"2019", "pdf_views"=>"124", "xml_views"=>"1", "html_views"=>"700"}
  • {"month"=>"8", "year"=>"2019", "pdf_views"=>"192", "xml_views"=>"2", "html_views"=>"717"}
  • {"month"=>"9", "year"=>"2019", "pdf_views"=>"220", "xml_views"=>"3", "html_views"=>"1062"}
  • {"month"=>"10", "year"=>"2019", "pdf_views"=>"322", "xml_views"=>"1", "html_views"=>"1446"}
  • {"month"=>"11", "year"=>"2019", "pdf_views"=>"336", "xml_views"=>"3", "html_views"=>"1585"}
  • {"month"=>"12", "year"=>"2019", "pdf_views"=>"282", "xml_views"=>"3", "html_views"=>"1298"}
  • {"month"=>"1", "year"=>"2020", "pdf_views"=>"273", "xml_views"=>"6", "html_views"=>"1240"}
  • {"month"=>"2", "year"=>"2020", "pdf_views"=>"167", "xml_views"=>"1", "html_views"=>"613"}

Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/2163676"], "description"=>"<p>Relearning times are not shown but can be derived by adding the retention interval (e.g., 6 days).</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474567, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g001", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Learning_schedule_during_2011_8211_2012_for_all_lists_where_labels_in_bold_indicate_when_each_of_the_lists_1_to_10_was_first_learned_for_each_retention_interval_/1474567", "title"=>"Learning schedule during 2011–2012 for all lists, where labels in bold indicate when each of the lists 1 to 10 was first learned for each retention interval.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163678"], "description"=>"<p>Four loglog graphs with savings as a function of retention interval with fitted power function curves and curves with best fitting power functions with boost at 1 day (see text for an explanation).</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474569, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g002", "stats"=>{"downloads"=>5, "page_views"=>135, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Four_loglog_graphs_with_savings_as_a_function_of_retention_interval_with_fitted_power_function_curves_and_curves_with_best_fitting_power_functions_with_boost_at_1_day_see_text_for_an_explanation_/1474569", "title"=>"Four loglog graphs with savings as a function of retention interval with fitted power function curves and curves with best fitting power functions with boost at 1 day (see text for an explanation).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163679"], "description"=>"<p>Four log graphs with savings as a function of retention interval with best-fitting Memory Chain Model retention functions (see text for an explanation).</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474570, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g003", "stats"=>{"downloads"=>2, "page_views"=>18, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Four_log_graphs_with_savings_as_a_function_of_retention_interval_with_best_fitting_Memory_Chain_Model_retention_functions_see_text_for_an_explanation_/1474570", "title"=>"Four log graphs with savings as a function of retention interval with best-fitting Memory Chain Model retention functions (see text for an explanation).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163681"], "description"=>"<p>Normalized savings scores as a function of retention interval on a logarithmic scale, rescaled so the first data point is 1.0 for all curves.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474572, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g004", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Normalized_savings_scores_as_a_function_of_retention_interval_on_a_logarithmic_scale_rescaled_so_the_first_data_point_is_1_0_for_all_curves_/1474572", "title"=>"Normalized savings scores as a function of retention interval on a logarithmic scale, rescaled so the first data point is 1.0 for all curves.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163682"], "description"=>"<p>Learning time per list as a function of day of experiment with a fitted straight line.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474573, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g005", "stats"=>{"downloads"=>0, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Learning_time_per_list_as_a_function_of_day_of_experiment_with_a_fitted_straight_line_/1474573", "title"=>"Learning time per list as a function of day of experiment with a fitted straight line.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163684"], "description"=>"<p>Serial position for correct relearning scores for each retention interval and for the average of all retention intervals (see text for an explanation).</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474575, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g006", "stats"=>{"downloads"=>3, "page_views"=>6, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Serial_position_for_correct_relearning_scores_for_each_retention_interval_and_for_the_average_of_all_retention_intervals_see_text_for_an_explanation_/1474575", "title"=>"Serial position for correct relearning scores for each retention interval and for the average of all retention intervals (see text for an explanation).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163686"], "description"=>"<p>(a) Proportion correct, averaged over all serial positions, shown with Dros’ savings scores for comparison. (b) Proportion correct curves for different groups of serial positions and for the average over all 13 positions.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474577, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.g007", "stats"=>{"downloads"=>3, "page_views"=>14, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Proportion_correct_as_a_function_of_retention_interval_on_a_logarithmic_scale_/1474577", "title"=>"Proportion correct as a function of retention interval on a logarithmic scale.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163687"], "description"=>"<p>Average number of repetitions until once correct.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474578, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.t001", "stats"=>{"downloads"=>7, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Average_number_of_repetitions_until_once_correct_/1474578", "title"=>"Average number of repetitions until once correct.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163688"], "description"=>"<p>Time spent learning (session S1) and relearning (session S2) for each list with savings (Q) by Dros.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474579, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.t002", "stats"=>{"downloads"=>7, "page_views"=>16, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Time_spent_learning_session_S1_and_relearning_session_S2_for_each_list_with_savings_Q_by_Dros_/1474579", "title"=>"Time spent learning (session S1) and relearning (session S2) for each list with savings (Q) by Dros.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163689"], "description"=>"<p>Savings for Ebbinghaus ([<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0120644#pone.0120644.ref008\" target=\"_blank\">8</a>], p. 56, see Note 1 for the comments on the intervals 20 min, 1 hour and 9 hours), Mack and Seitz [<a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0120644#pone.0120644.ref021\" target=\"_blank\">21</a>], and Dros (this paper).</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474580, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.t003", "stats"=>{"downloads"=>5, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Savings_for_Ebbinghaus_8_p_56_see_Note_1_for_the_comments_on_the_intervals_20_min_1_hour_and_9_hours_Mack_and_Seitz_21_and_Dros_this_paper_/1474580", "title"=>"Savings for Ebbinghaus ([8], p. 56, see Note 1 for the comments on the intervals 20 min, 1 hour and 9 hours), Mack and Seitz [21], and Dros (this paper).", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163690"], "description"=>"<p>See text for the meaning of the parameters. SSD is the sum of squared differences between data and fitted curve, R<sup>2</sup> is proportion variance explained, and AIC is the Akaike Information Criterion. To stay close to Ebbinghaus’ own estimates, the parameters are fitted for time expressed in minutes.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474581, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.t004", "stats"=>{"downloads"=>12, "page_views"=>39, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Fits_of_two_equations_proposed_by_Ebbinghaus_in_1880_and_1885_to_data_from_his_own_study_and_from_three_replication_studies_/1474581", "title"=>"Fits of two equations proposed by Ebbinghaus in 1880 and 1885 to data from his own study and from three replication studies.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-06 03:54:56"}
  • {"files"=>["https://ndownloader.figshare.com/files/2163691"], "description"=>"<p>See text for the meaning of the parameters. SSD is the sum of squared differences between data and fitted curve, R<sup>2</sup> is proportion variance explained, and AIC is the Akaike Information Criterion. The parameters are fitted for time expressed in seconds.</p>", "links"=>[], "tags"=>["20 min", "2 days", "70 hours", "31 days", "1 hour", "24 hour data point", "Ebbinghau", "replication", "9 hours", "1 day"], "article_id"=>1474583, "categories"=>["Biological Sciences", "Science Policy"], "users"=>["Jaap M. J. Murre", "Joeri Dros"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0120644.t005", "stats"=>{"downloads"=>6, "page_views"=>7, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Fits_of_a_number_of_equations_to_data_from_Ebbinghaus_and_replication_studies_/1474583", "title"=>"Fits of a number of equations to data from Ebbinghaus and replication studies.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2015-07-06 03:54:56"}

PMC Usage Stats | Further Information

  • {"unique-ip"=>"14", "full-text"=>"16", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"4", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"7"}
  • {"unique-ip"=>"36", "full-text"=>"40", "pdf"=>"9", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"8", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"8"}
  • {"unique-ip"=>"93", "full-text"=>"99", "pdf"=>"18", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"24", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"9"}
  • {"unique-ip"=>"186", "full-text"=>"224", "pdf"=>"25", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"23", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"10"}
  • {"unique-ip"=>"320", "full-text"=>"344", "pdf"=>"34", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"44", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"2"}
  • {"unique-ip"=>"238", "full-text"=>"286", "pdf"=>"33", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"48", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"11"}
  • {"unique-ip"=>"213", "full-text"=>"242", "pdf"=>"33", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"35", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"12"}
  • {"unique-ip"=>"224", "full-text"=>"256", "pdf"=>"17", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"39", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"1"}
  • {"unique-ip"=>"378", "full-text"=>"431", "pdf"=>"48", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"31", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"3"}
  • {"unique-ip"=>"393", "full-text"=>"452", "pdf"=>"45", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"43", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"4"}
  • {"unique-ip"=>"425", "full-text"=>"585", "pdf"=>"34", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"49", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"5"}
  • {"unique-ip"=>"311", "full-text"=>"459", "pdf"=>"39", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"18", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"6"}
  • {"unique-ip"=>"355", "full-text"=>"446", "pdf"=>"41", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"38", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"7"}
  • {"unique-ip"=>"339", "full-text"=>"407", "pdf"=>"46", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"46", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"8"}
  • {"unique-ip"=>"509", "full-text"=>"584", "pdf"=>"47", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"32", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"9"}
  • {"unique-ip"=>"641", "full-text"=>"745", "pdf"=>"77", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"46", "supp-data"=>"0", "cited-by"=>"6", "year"=>"2016", "month"=>"10"}
  • {"unique-ip"=>"856", "full-text"=>"973", "pdf"=>"76", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"96", "supp-data"=>"0", "cited-by"=>"3", "year"=>"2016", "month"=>"11"}
  • {"unique-ip"=>"460", "full-text"=>"600", "pdf"=>"43", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"41", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2016", "month"=>"12"}
  • {"unique-ip"=>"446", "full-text"=>"565", "pdf"=>"28", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"42", "supp-data"=>"0", "cited-by"=>"3", "year"=>"2017", "month"=>"1"}
  • {"unique-ip"=>"384", "full-text"=>"476", "pdf"=>"27", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"31", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2017", "month"=>"2"}
  • {"unique-ip"=>"456", "full-text"=>"562", "pdf"=>"41", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"45", "supp-data"=>"0", "cited-by"=>"5", "year"=>"2017", "month"=>"3"}
  • {"unique-ip"=>"395", "full-text"=>"483", "pdf"=>"28", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"44", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2017", "month"=>"4"}
  • {"unique-ip"=>"418", "full-text"=>"567", "pdf"=>"40", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"44", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2017", "month"=>"5"}
  • {"unique-ip"=>"418", "full-text"=>"579", "pdf"=>"21", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"36", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2017", "month"=>"6"}
  • {"unique-ip"=>"319", "full-text"=>"583", "pdf"=>"19", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"25", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"7"}
  • {"unique-ip"=>"319", "full-text"=>"439", "pdf"=>"21", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"39", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2017", "month"=>"8"}
  • {"unique-ip"=>"575", "full-text"=>"726", "pdf"=>"32", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"73", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2017", "month"=>"9"}
  • {"unique-ip"=>"547", "full-text"=>"677", "pdf"=>"41", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"84", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2017", "month"=>"10"}
  • {"unique-ip"=>"547", "full-text"=>"706", "pdf"=>"36", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"62", "supp-data"=>"0", "cited-by"=>"7", "year"=>"2017", "month"=>"11"}
  • {"unique-ip"=>"345", "full-text"=>"511", "pdf"=>"39", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"55", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2017", "month"=>"12"}
  • {"unique-ip"=>"428", "full-text"=>"529", "pdf"=>"14", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"46", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2018", "month"=>"1"}
  • {"unique-ip"=>"18", "full-text"=>"19", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2018", "month"=>"2"}
  • {"unique-ip"=>"471", "full-text"=>"557", "pdf"=>"38", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"48", "supp-data"=>"0", "cited-by"=>"5", "year"=>"2018", "month"=>"3"}
  • {"unique-ip"=>"278", "full-text"=>"343", "pdf"=>"39", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"28", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2019", "month"=>"1"}
  • {"unique-ip"=>"403", "full-text"=>"480", "pdf"=>"43", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"5", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2018", "month"=>"9"}
  • {"unique-ip"=>"244", "full-text"=>"295", "pdf"=>"29", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"12", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"12"}
  • {"unique-ip"=>"492", "full-text"=>"705", "pdf"=>"58", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"8", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"4"}
  • {"unique-ip"=>"406", "full-text"=>"516", "pdf"=>"32", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"28", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2018", "month"=>"5"}
  • {"unique-ip"=>"306", "full-text"=>"447", "pdf"=>"30", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"13", "supp-data"=>"0", "cited-by"=>"4", "year"=>"2018", "month"=>"6"}
  • {"unique-ip"=>"330", "full-text"=>"411", "pdf"=>"24", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"0", "cited-by"=>"9", "year"=>"2018", "month"=>"7"}
  • {"unique-ip"=>"358", "full-text"=>"458", "pdf"=>"34", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"5", "supp-data"=>"0", "cited-by"=>"4", "year"=>"2018", "month"=>"8"}
  • {"unique-ip"=>"432", "full-text"=>"525", "pdf"=>"28", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"4", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2018", "month"=>"10"}
  • {"unique-ip"=>"412", "full-text"=>"486", "pdf"=>"44", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"5", "supp-data"=>"0", "cited-by"=>"3", "year"=>"2018", "month"=>"11"}
  • {"unique-ip"=>"295", "full-text"=>"350", "pdf"=>"30", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"20", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2019", "month"=>"2"}
  • {"unique-ip"=>"300", "full-text"=>"345", "pdf"=>"54", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"3", "supp-data"=>"0", "cited-by"=>"3", "year"=>"2019", "month"=>"3"}
  • {"unique-ip"=>"364", "full-text"=>"429", "pdf"=>"41", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"7", "supp-data"=>"0", "cited-by"=>"3", "year"=>"2019", "month"=>"4"}
  • {"unique-ip"=>"352", "full-text"=>"433", "pdf"=>"39", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"17", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2019", "month"=>"5"}
  • {"unique-ip"=>"307", "full-text"=>"346", "pdf"=>"30", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"10", "supp-data"=>"0", "cited-by"=>"1", "year"=>"2019", "month"=>"8"}
  • {"unique-ip"=>"531", "full-text"=>"625", "pdf"=>"41", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"10", "supp-data"=>"0", "cited-by"=>"3", "year"=>"2019", "month"=>"9"}
  • {"unique-ip"=>"4396", "full-text"=>"5310", "pdf"=>"177", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"9", "supp-data"=>"0", "cited-by"=>"5", "year"=>"2019", "month"=>"10"}
  • {"unique-ip"=>"446", "full-text"=>"534", "pdf"=>"31", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"22", "supp-data"=>"0", "cited-by"=>"2", "year"=>"2019", "month"=>"12"}

Relative Metric

{"start_date"=>"2015-01-01T00:00:00Z", "end_date"=>"2015-12-31T00:00:00Z", "subject_areas"=>[]}
Loading … Spinner
There are currently no alerts