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Unlocking math potential in students from lower SES backgrounds - using instructional scaffolds to improve
Katharina M Bach1, Frank Reinhold2, Sarah I Hofer3
1Ludwig-Maximilians-Universität München, Munich, Germany. K.Bach@psy.lmu.de.
NPJ Science of Learning
|September 23, 2025
Summary
Instructional scaffolding, like adaptive task difficulty, can help students with lower socioeconomic status (SES) succeed in math. This e-textbook study found adaptive difficulty particularly beneficial for students facing learning challenges.
Area of Science:
- Educational Psychology
- Cognitive Science
- Learning Sciences
Background:
- Socioeconomic status (SES) significantly impacts academic achievement, with lower SES students often facing educational disadvantages.
- Instructional scaffolding is a key strategy to support diverse learners, but its effectiveness depends on tailoring to individual needs.
- Understanding the interplay between SES, cognitive traits, and learning support is crucial for educational equity.
Purpose of the Study:
- To investigate the effectiveness of different instructional scaffolding techniques (adaptive task difficulty, explanatory feedback, dynamic visualizations) on sixth-grade students' fraction knowledge.
- To identify student profiles based on cognitive and motivational-affective characteristics and their relationship with socioeconomic status.
- To determine if specific scaffolding methods can mitigate learning challenges associated with lower SES.
Main Methods:
- 321 sixth-grade students utilized an e-textbook on fractions, randomly assigned to one of four conditions: adaptive task difficulty, explanatory feedback, dynamic visualizations, or no scaffolding.
- Pre- and post-tests assessed fraction knowledge, alongside measurements of eight cognitive and motivational-affective characteristics.
- Latent profile analysis identified distinct student groups, and a linear mixed model analyzed the impact of scaffolding on learning outcomes.
Main Results:
- Latent profile analysis revealed three distinct student profiles, with one characterized by unfavorable learning prerequisites often linked to lower SES.
- Students within this lower SES-associated profile demonstrated significantly greater improvement in fraction knowledge when provided with adaptive task difficulty.
- Other scaffolding methods did not show the same targeted benefit for this specific student profile.
Conclusions:
- Adaptive task difficulty is a promising instructional strategy to support students with lower socioeconomic status (SES) and associated learning prerequisites.
- Implementing adaptive difficulty in mathematics education can help bridge achievement gaps and promote educational equity.
- Personalized learning approaches that consider individual student needs are essential for maximizing the benefits of instructional scaffolding.
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