Analyzing category clustering in free recall using an SPSS program

Joseph K. Kazen, Hajime Otani

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


This article describes an SPSS program that computes four common clustering measures used to analyze free recall of information from categorized lists. This program computes Cohen, Sakoda, and Bousfield's ratio of repetition (RR), Wallace and Underwood's modified ratio of repetition (MRR), Roenker, Thompson, and Brown's adjusted ratio of clustering (ARC), and Bousfield and Bousfield's deviation score (DS) for stimulus lists with an unlimited number of categories and items per category.

Original languageEnglish
Pages (from-to)879-884
Number of pages6
JournalEducational and Psychological Measurement
Issue number5
StatePublished - Oct 1997


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