• Summary
  • Contents
  • Subject index

The Handbook of Understanding and Measuring Intelligence provides an overview of recent studies on intelligence to help readers develop a sound understanding of results and perspectives in intelligence research. In this volume, editors Oliver Wilhelm and Randall W. Engle bring together a group of respected experts from two fields of intelligence research, cognition and methods, to summarize, review, and evaluate research in their areas of expertise. The chapters in this book present state-of-the-art examinations of a particular domain of intelligence research and highlight important methodological considerations, theoretical claims, and pervasive problems in the field.  

The Measurement of Working Memory Capacity
The measurement of working memory capacity

Although this chapter is on methods of measurement of working memory, it is mainly concerned with substantive theoretical and empirical issues. This is because the most important requirement for a good test, construct validity (Cronbach & Meehl, 1955), cannot be considered independently of the conceptual network that defines the construct to be measured.

The main question of this chapter is the following: What is a good working memory test task? A good working memory test task (WMT), I suggest, is a task whose variance is determined, to a large degree, by variance in working memory capacity and, to a small degree, by other factors. These other factors include systematic variance from various known and unknown ...

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