At low pretest WMC, control children outperformed the strategy conditions on solution accuracy¶

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2013 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? For children at the low WMC level, posttest scores were higher in the control condition than in the strategy conditions. → Swanson et al. 2013

Evidence¶

Swanson et al. 2013¶

H. Lee Swanson, Michael J. Orosco, Cathy Lussier. (2013). Does Cognitive Strategy Training on Word Problems Compensate for Working Memory Capacity in Children with Math Difficulties? SREE Spring 2013 Conference. https://eric.ed.gov/?id=ED563039

q3 · i? · causal · r2

Adjusted posttest means at the low pretest WMC level (z = -.50) in the randomized ANCOVA, collapsed across ability group. The article reports "Post-test scores were higher for the control condition than the strategy conditions", consistent with the hypothesis that low-WMC children may be overtaxed by strategies.

"For the low WMC level, the adjusted z-post-test means (collapsed across ability group) were .26, .59, .36, and .75 for verbal-only, verbal+visual, visual-only and control conditions, respectively. Post-test scores were higher for the control condition than the strategy conditions."

Discussion¶

Related Claims¶

• At high pretest WMC, the visual-only condition outperformed verbal-only, verbal+visual, and control on solution accuracy — related
• Strategy training outcomes on word problem accuracy interact with working memory capacity, favoring children with higher WMC — a broader claim this one bears on
• The treatment x WMC interaction persists after controlling reading, calculation, and fluid intelligence — a broader claim this one bears on
• Verbal and verbal+visual strategy conditions improve calculation accuracy for both ability groups — reports the opposite
• Working memory capacity correlates with outcomes differently across strategy conditions, with compensatory negative correlations under materials-only instruction — related
• At low WMC, the visual-only condition was a significant disadvantage for children with math difficulties — related
• Strategy instruction effects on word problem solving in children with math difficulties are moderated by working memory capacity, favoring high-WMC levels — related