Blocked presentation of categorical material has been found to increase the number of items recalled by retarded subjects. Three experiments are reported, aimed at discovering the reasons for this facilitation. (Editor)

Discusses two propositions about the preliminary stages of acoustic analysis and encoding in the absence of focal attention. (Editor/RK)

Three experiments are reported, all directed to the question of whether vicalization at presentation affects primary memory (PM) rather than secondary memory (SM). (Editor)

Two experiments investigated serial recall with eight-word lists in which the frequency rating of the terminal word was manipulated. The effect on recall of two kinds of verbal "stimulus suffix" as well as a control noise suffix was also tested. Recall for the terminal items in the lists was analyzed. (Editor)

The hypothesis that letters can be matched on the basis of tactual physical features was tested in three experiments with blind Braille-reading children. (Editor)

These experiments consider the effects of aging on response times to stimuli of increasing complexity in serial choice RT tasks, whether age differences were reduced or abolished on such tasks, and examines repetition effects of a particular coding rule. (Author/RK)

School pupils (mean age 17 years) were classified as convergers or divergers on the basis of their performance on the AH5 Intelligence Test and the Uses of Objects test. They were presented with a set of concrete and abstract sentences, followed immediately by a forced-choice recognition test. Considered the interaction between…