Related Experiment Video
Updated: Jun 13, 2026

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
Measuring working memory capacity with greater precision in the lower capacity ranges
Sissela Bergman Nutley1, Stina Söderqvist, Sara Bryde
1Neuropaediatric Research Unit, Department of Women's and Children's Health, Stockholm Brain Institute, Karolinska Institutet, Stockholm, Sweden. sissela.bergman@ki.se
This study developed a more precise method for measuring visuospatial working memory capacity in young children. By analyzing item difficulty variations, the new approach accurately assesses lower capacity ranges.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Traditional working memory capacity measures lack precision for individuals with low capacity.
- Visuospatial working memory is crucial for various cognitive tasks in children.
- Accurate assessment is needed to understand developmental trajectories.
Purpose of the Study:
- To develop a more precise measure of visuospatial working memory capacity.
- To utilize intra-level difficulty differences for enhanced measurement precision.
- To improve assessment accuracy in the lower ranges of working memory capacity.
Main Methods:
- Two experiments were conducted with 97 children aged 4-6 years.
- A large number of visuospatial items were administered.
- Variability in item difficulty within each level was analyzed.
Main Results:
- Significant variability in item difficulty was observed within each level.
- Factors contributing to this difficulty variability were identified.
- This variability proved effective for precise capacity measurement.
Conclusions:
- The novel method offers enhanced precision for measuring visuospatial working memory capacity.
- Intra-level difficulty analysis is a viable approach for assessing low capacity ranges.
- This improved measurement can aid in understanding child cognitive development.
More Related Videos
Related Concept Videos
Working Memory
Information Processing Approach
Wechsler's Contribution to Measures of Intelligence
Binet's Contribution to Measures of Intelligence
Measures of Intelligence
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this; it...
Biological Influences on Intelligence

