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The Instructed Task-Switch Evaluation Effect: Is the Instruction to Switch Tasks Sufficient to Dislike Task Switch
Pieter Van Dessel1, Baptist Liefooghe1, Jan De Houwer1
1Ghent University, BE.
Journal of Cognition
|January 15, 2020
Summary
People may prefer task repetition over task switching, even when based solely on instructions. This study explored biases in evaluating task cues, finding preferences for repetition in explicit evaluations under certain conditions.
Area of Science:
- Cognitive Psychology
- Human Decision Making
- Task Switching Research
Background:
- Resolving cognitive conflict during task switching is effortful, leading to potential negative biases.
- Previous research indicated negative evaluations of cues signaling task switches compared to task repetitions.
- The current study investigates if this evaluative bias extends to mere instructional cues without actual task performance.
Purpose of the Study:
- To determine if evaluative biases favoring task repetition over task switching can be induced by instructions alone.
- To examine the influence of prior task experience on the evaluative bias towards instructed task cues.
Main Methods:
- Three experiments were conducted using a task switching paradigm.
- Participants received instructions about non-word cues signaling either task switching or task repetition for a non-administered block.
- Evaluations (explicit and implicit) of these instructed cues were measured, with Experiment 2 and 3 incorporating prior task experience.
Main Results:
- Experiment 1 found no significant difference in evaluations of instructed task switch versus repetition cues.
- Experiment 2 revealed a preference for both instructed and experienced task repetition cues in explicit, but not implicit, evaluations.
- Experiment 3 replicated the explicit evaluation effect and extended it to implicit evaluations when prior task experience was present.
Conclusions:
- Evaluative biases favoring task repetition can emerge from mere instructions, particularly when coupled with prior task experience.
- Both instructed and experienced task repetition cues are evaluated more positively explicitly, suggesting a learned preference.
- The findings contribute to understanding cognitive control effort and the formation of evaluative biases in task management.

