mHealth or eHealth? Efficacy, Use, and Appreciation of a Web-Based Computer-Tailored Physical Activity Intervention for Dutch Adults: A Randomized Controlled Trial

G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences

Franz Faul, Edgar Erdfelder, Albert-Georg Lang et al. · Behavior Research Methods · 2007 · 61K citations · Full text

Behavioral Sciences, Engineering, Social Behavior +9

Statistical power analyses using G*Power 3.1: Tests for correlation and regression analyses

Franz Faul, Edgar Erdfelder, Axel Buchner et al. · Behavior Research Methods · 2009 · 33.9K citations · Full text

Reliability, Engineering, Psychology +7

Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being.

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Social Psychology, Educational Psychology, Education +16

Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being.

Richard M. Ryan, Edward L. Deci · American Psychologist · 2000 · 27.1K citations

Quality Of Life, Social Psychology, Educational Psychology +25

Effect of physical inactivity on major non-communicable diseases worldwide: an analysis of burden of disease and life expectancy

I‐Min Lee, Eric J. Shiroma, Felipe Lobelo et al. · The Lancet · 2012 · 8K citations · Full text

Physical Activity, Preventive Medicine, Health Effect +7