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Investigating Pain-Related Avoidance Behavior using a Robotic Arm-Reaching Paradigm
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Comparison of two reaction-time-based and one foraging-based behavioral approach-avoidance tasks in relation to
Kim Fricke1,2, Nina Alexander3, Thomas Jacobsen4
1Department of Psychology, Medical School Hamburg, Am Kaiserkai 1, 20457, Hamburg, Germany. kim.fricke@medicalschool-hamburg.com.
Scientific Reports
|December 16, 2023
Summary
Behavioral tasks assessing approach-avoidance tendencies show limited reliability and validity. A foraging-based approach-avoidance-conflict task demonstrated better consistency and relations to psychological constructs.
Area of Science:
- Psychology
- Behavioral Neuroscience
- Cognitive Science
Background:
- Individual differences in approach-avoidance tendencies are fundamental to behavior.
- Behavioral tasks, such as the visual joystick and manikin tasks, are commonly used to assess these tendencies.
- Understanding the validity, reliability, and construct overlap of these tasks is crucial for accurate interpretation of findings.
Purpose of the Study:
- To evaluate the convergence, predictive validity, and reliability of two common reaction-time-based approach-avoidance tasks.
- To compare these tasks with an alternative foraging-based approach-avoidance-conflict task.
- To examine the relationship between task performance and self-reported measures of anxiety, aggression, depressive symptoms, behavioral inhibition, and activation.
Main Methods:
- A preregistered study involving 168 participants (81 men, 87 women).
- Participants completed emotional face versions of the visual joystick and manikin tasks, and an approach-avoidance-conflict task.
- Self-report questionnaires assessed anxiety, aggression, depressive symptoms, behavioral inhibition, and activation.
Main Results:
- Approach-avoidance outcome measures from the visual joystick and manikin tasks were uncorrelated and showed poor internal consistency.
- These reaction-time-based tasks exhibited minimal relations to self-reported individual differences.
- The approach-avoidance-conflict task demonstrated good internal consistency and significant relations with behavioral inhibition and aggression.
Conclusions:
- Current reaction-time-based approach-avoidance tasks may not reliably or validly capture interindividual differences.
- The foraging-based approach-avoidance-conflict task shows promise as a more robust measure.
- Further research is needed to develop and optimize behavioral measures for assessing approach-avoidance tendencies.

