Spontaneous transfer of learning is often difficult to elicit. This finding may be widespread partly because pretests proactively interfere with transfer. To test this hypothesis, 7-year-olds' transfer was examined across 2 numerical tasks (number line estimation and categorization) in which similar representational changes have been observed. As…

Purpose of the study was to evaluate the effectiveness of a hierarchically arranged instructional program in multiple classification, which refers to the ability to define a class by two or more attributes simultaneously. (Authors/MB)

The present study is based on a form of task analysis that explicates in detail the hypothesized solution behavior of skilled performers of the task. (Authors)

Children often perseverate, repeating prior behaviors when inappropriate. This work tested the roles of verbal labels and stimulus novelty in such perseveration. Three-year-old children sorted cards by one rule and were then instructed to switch to a second rule. In a basic condition, cards had familiar shapes and colors and both rules were stated…