Replicability-Report for JOURNAL OF MEMORY AND LANGUAGE

JOURNAL OF MEMORY AND LANGUAGE is published by Elsevier. The journal started publishing articles in 1985.  Before, 1985, the journal was called the Journal of Verbal Learning and Verbal Behavior.

SCImago ranks JOURNAL OF MEMORY AND LANGUAGE as #29 of all psychology journals with an SJR-Impact-Factor of 2.4 in 2014. At present, the replicability-report is based on articles published from 2000 to 2015. During this time, the journal published 1006 articles. The replicability-report is based on 874 articles that reported one or more t or F-test in the text of the results section (results reported in Figures or Tables are not included).  The test-statistic was converted into z-scores to estimate post-hoc-power.  The analysis is based on 9,057 z-scores in the range from 2, just above the 1.96 criterion value for p < .05 (two-tailed), to 4.

PHP-Curve JML

Based on the distribution of z-scores in the range between 2 and 4, the average power for significant results in this range is estimated to be 63%. This estimate suggests that 63% of the published significant results in this range are predicted to produce a significant results in an exact replication study with the same sample size and power (results with z > 4 are expected to replicate with nearly 100%).

The same method was used to estimate power for individual years.

PHP-Trend JML

The results show a small linear increase over time. In the past 3 years replicability scores were above the historic average. The replicability score in 2015 was 69. This score is one of the higher scores among psychology journals. The score for 2015 can still change as more data become available.

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