Natalie Golaszewski

Natalie Golaszewski

Natalie M. Golaszewski is a behavioural epidemiologist and first author of the 2022 study that most writing about group exercise leans on, including the first draft of article 10. Her survey of 506 adults modelled group exercise membership, five forms of social support, exercise identity and physical activity, and found membership associated with support and with identity. Two features of the paper are usually left out of the retelling, and both are on this page because they change what it is entitled to say.

Who they are

Her work is in behavioural epidemiology, on group exercise and social support. The 2022 paper is a cross-sectional self-report survey, n = 506, mean age 34.3, using a 235-item questionnaire, analysed by exploratory path analysis. There is no randomisation, no manipulation and no second wave. The paper's own title says "is associated with", which is the honest register, and the causal arrows in the model are assumed by the analyst rather than tested by the design.

The second omitted feature is that the results split by sex. Among the women, group exercise membership was significantly associated with weekly MET-minutes (β = 0.11) and with exercise identity (β = 0.17), identity ran to activity at β = 0.38, and companionship was the strongest of five support forms at β = 0.46. Among the men, membership was not significantly associated with activity and not significantly associated with exercise identity. The men's identity-to-activity path was the strongest in the model at β = 0.46, but membership did not predict that identity.

Key papers

Golaszewski, N. M., LaCroix, A. Z., Hooker, S. P., & Bartholomew, J. B. (2022). "Group exercise membership is associated with forms of social support, exercise identity, and amount of physical activity", International Journal of Sport and Exercise Psychology, 20(2), 630 to 643. First author. doi:10.1080/1612197X.2021.1891121.

Key ideas

The study is entitled to claim association and nothing stronger. A path model on cross-sectional data cannot establish that membership produced the support, that the support produced the identity, or that the identity produced the activity.

Reverse causation is live here and should be named every time the study is cited. People who already hold a strong exerciser identity are more likely to join a group in the first place.

Any piece that reports this result sex-neutrally is reporting something the paper does not say. The women's paths are the ones carrying it.

Both sides, then the line. The paper is routinely used as the empirical backbone of the social case for exercise, and it is a large, carefully reported survey that genuinely found what it reports. Against that, its design supports association only and its male path was null. We land here: it shows that among 506 adults, belonging to an exercise group went with more reported support and a stronger exercise identity, more clearly in the women than in the men, and it cannot show that the group built the identity.

Article 10 was rebuilt partly on this. An essay by a man, about men on a pitch, was resting on a study that found the effect in women and failed to find it in men, and the published version gives a section over to saying so.

Concepts on this site

Exercise Identity, the construct her model puts in the middle

Exercise Adherence, the applied question

Group Identification, the narrower measure her membership variable does not capture

Belonging, the generic version

Sources

  1. Golaszewski, N. M., LaCroix, A. Z., Hooker, S. P., & Bartholomew, J. B. (2022). International Journal of Sport and Exercise Psychology, 20(2), 630 to 643.
  2. Vault verification record, 2026-09-11. Author list, year, journal, volume, issue, pages and sample size all confirmed against the record. Design recorded as cross-sectional with exploratory path analysis, and the null male path recorded as a finding that must travel with every citation of the paper.