Evidence-based scientific thinking and decision-making in everyday life

Area of Science:

• Cognitive Psychology
• Science Communication
• Behavioral Science

Background:

• Effective decision-making in the knowledge economy requires high-quality evidence.
• Engaging with scientific information involves reasoning, cognitive styles, attitudes, and motivations.
• Understanding individual differences in evidence-based decision-making is crucial for everyday science engagement.

Purpose of the Study:

• To identify key individual factors influencing adults' engagement with scientific information.
• To investigate the relationship between these factors and behaviors in real-world decision-making tasks.
• To understand how adults discern the credibility of scientific sources.

Main Methods:

• A data-driven exploratory approach identified four latent factors: curiosity/positive science attitudes, prosociality, cognitive skills, and openmindedness.
• Participants engaged in a naturalistic decision-making task involving evaluating online articles on a science-related petition.
• Article quality varied, and participants decided how to vote based on their evaluation.

Main Results:

• Curiosity, positive science attitudes, cognitive flexibility, prosociality, and emotional states predicted information engagement and evidence reliability discernment.
• Social authority emerged as a significant cue for source credibility, often overriding actual source quality and relevance.
• Individual motivations (e.g., curiosity) and social factors (e.g., social authority) significantly drive credibility judgments.

Conclusions:

• Individual differences in attitudes and cognitive skills are vital for processing scientific information.
• Social cues, particularly social authority, play a substantial role in how scientific information credibility is perceived.
• Future research should consider both individual and social factors in understanding evidence-based decision-making.