When Less Is Less: Solving Multiple Simple Problems Is Not Complex Problem Solving-A comment on Greiff et al. (2015).

Area of Science:

• Cognitive Psychology
• Educational Measurement
• Psychometrics

Background:

• The validity of complex problem-solving (CPS) measures is debated.
• Greiff et al. (2015) proposed the multiple complex systems (MCS) approach as superior to microworld scenarios.
• This commentary critically evaluates the methodology and conclusions of Greiff et al.

Purpose of the Study:

• To critically review the validity claims of the multiple complex systems (MCS) approach for assessing complex problem-solving (CPS) ability.
• To challenge the generalization of MCS superiority over microworld scenarios.
• To delineate the appropriate applications and limitations of MCS in CPS assessment.

Main Methods:

• Critical analysis of the methodology and statistical interpretation in Greiff et al. (2015).
• Comparative evaluation of the theoretical underpinnings and empirical evidence for MCS and microworld approaches.
• Re-examination of the data and conclusions presented in the original study.

Main Results:

• The conclusion that the MCS approach possesses superior validity for CPS assessment is contested.
• Inappropriate analysis and selective interpretation of results by Greiff et al. appear to support their claims.
• The MCS approach is identified as a useful tool for specific aspects of problem-solving within dynamic systems.

Conclusions:

• The generalization of MCS superiority in complex problem-solving ability assessment is an overstatement.
• The value of MCS as a comprehensive instrument for assessing complex problem-solving ability remains limited.
• Microworld scenarios may offer comparable or superior validity for certain aspects of complex problem-solving assessment.