Types of comparisons for evaluation of mnemonics were identified based on equating exposure to the to-be-learned associations or on total study time. Experiments on the cueword method illustrated how highly analytical experiments on mnemonics might be conducted and how choice of comparisons in research could affect mnemonic evaluation. (Author/DWH)

Addressing theoretical and methodological issues, the present study assessed the content, accuracy, and consistency of school-aged children's memories of a potentially emotional, historic event: the explosion of the Space Shuttle Challenger on January 28, 1986. A total of 345 children in kindergarten through eighth grade were tested. To examine…

Two experiments which investigated the young child's ability to deal with multiplicative classes and relations (considered behavioral indices of concrete operations thought) in double series and cross class matrices are described and discussed. In the initial study, 160 children from preschool through grade 2 received six matrix subtasks…