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Area of Science:

  • Environmental Psychology
  • Climate Change Communication
  • Risk Perception Research

Background:

  • Efficacy beliefs (self-efficacy and response efficacy) are critical for motivating climate change mitigation efforts.
  • Existing measures of climate change efficacy beliefs lack standardization, hindering research comparison and progress.
  • A need exists for theoretically grounded and validated scales to accurately assess climate change mitigation efficacy.

Purpose of the Study:

  • To develop and validate a theoretically motivated approach for measuring climate change mitigation efficacy.
  • To test the proposed efficacy measures across diverse national survey samples.
  • To examine the predictive power of these efficacy beliefs on climate change policy support.

Main Methods:

  • Development of four additive efficacy scales: personal self-efficacy, personal response efficacy, government and collective self-efficacy, and government and collective response efficacy.
  • Validation of scales using two large national survey samples (N = 405 and N = 1,820).
  • Mediation analysis to assess the relationship between efficacy beliefs, concern, and climate change policy support, controlling for knowledge, risk perception, and ideology.

Main Results:

  • The study successfully developed and validated four distinct scales measuring different facets of climate change efficacy.
  • Efficacy beliefs demonstrated largely coherent patterns across action levels and discriminated between types of efficacy.
  • Government and collective response efficacy, and personal self-efficacy, were significant predictors of climate change policy support, both directly and indirectly through concern.

Conclusions:

  • The validated efficacy scales provide a robust tool for future climate change risk perception and communication research.
  • Efficacy beliefs play a direct and indirect role in fostering support for climate change mitigation policies.
  • Understanding and enhancing efficacy beliefs are crucial for effective climate change communication and policy advocacy.