Minimizing Learning Behavior in Experiments with Repeated Real-Effort Tasks
19 Pages Posted: 1 Oct 2014
Date Written: September 2014
In this paper, we introduce a new real-effort task which mitigates learning behavior in repeated real-effort tasks. In our task, participants need to encode three-letter words into numbers. The task is based on Erkral et al. (2011), however, in our version a double-randomization mechanism is applied to minimize learning. Existing experiments using repeated real-effort tasks report an increase of 15-30% in subjects' performance in the course of the experiment. By contrast, we find that when comparing performance in the first period with the last period, our task mitigates learning behavior down to 8%. The difference between the first and second half of the experiment is only about 3%.
Keywords: Experimental Methods, Learning Behavior, Real-Effort.
JEL Classification: C90, C91
Suggested Citation: Suggested Citation