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Direct linkKrell, Moritz – Cogent Education, 2017
This study evaluates a 12-item instrument for subjective measurement of mental load (ML) and mental effort (ME) by analysing different sources of validity evidence. The findings of an expert judgement (N = 8) provide "evidence based on test content" that the formulation of the items corresponds to the meaning of ML and ME. An empirical…
Descriptors: Cognitive Processes, Test Validity, Secondary School Students, Multiple Choice Tests
