Challenge Point: A Framework for Conceptualizing the Effects of Various Practice Conditions in Motor Learning

TLDR

Motor learning practice conditions such as contextual interference and knowledge of results affect performance within the constraints of skill level and task difficulty, reflecting that motor tasks pose varying challenges to performers of different abilities. The study proposes that learning is linked to performance‑derived information optimized by functions of task difficulty and performer skill, and it outlines specific testable hypotheses. The authors employ a research framework grounded in information theory and processing to conceptualize how skill level and task difficulty interact to shape learning.

Abstract

The authors describe the effects of practice conditions in motor learning (e.g., contextual interference, knowledge of results) within the constraints of 2 experimental variables: skill level and task difficulty. They use a research framework to conceptualize the interaction of those variables on the basis of concepts from information theory and information processing. The fundamental idea is that motor tasks represent different challenges for performers of different abilities. The authors propose that learning is related to the information arising from performance, which should be optimized along functions relating the difficulty of the task to the skill level of the performer. Specific testable hypotheses arising from the framework are also described.