Speaking of Psychology Why numeracy counts in everyday life, with Ellen Peters, PhD
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Aug 20, 2025 Ellen Peters, PhD, is the Director of the Center for Science Communication Research at the University of Oregon, specializing in psychology and journalism. She dives deep into the importance of numeracy in daily life, from health decisions to financial choices. The discussion covers common misinterpretations of numbers, and how emotional responses can cloud judgment. Peters offers practical strategies to boost numerical confidence and improve decision-making, stressing the crucial role that effective communication of statistics plays in fostering trust and understanding.
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Probability Requires Population Thinking
- Individuals see events as binary, but risk requires population-level probabilistic thinking.
- People generally struggle with probability, making it a central challenge in numeracy tests.
Numeracy Affects Decisions And Life Outcomes
- Less numerate people rely more on emotions, frames, and heuristics when deciding, making them vulnerable.
- Higher numeracy associates with higher income, wealth, and employment in several studies.
Health Risks Linked To Lower Numeracy
- Studies show health gaps: less numerate people are more likely to have chronic disease and take more prescriptions.
- Most findings are correlational, though some experiments show causal effects of numeracy training.