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Reliability and Validity

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.

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Related Experiment Video

Updated: Apr 17, 2026

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

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Reliability, validity, and methodological issues in assessing physical activity in a cross-cultural setting

Research Quarterly for Exercise and Sport

|February 14, 2015

Summary

No abstract available in PubMed .

Keywords:

cross-cultural differences physical activity psychometric properties questionnaire

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