--- title: Does knowing you are studied about your cycle change what you report? description: Women who knew they were being studied reported normal premenstrual and menstrual experiences similar to men, while women who did not know reported slightly l url: https://niyora.com/research/papers/daily-moods-and-symptoms-effects-of-awareness-of-study-focus-gender-menstrual-1991/ --- - [Niyora](https://niyora.com/) - [Research](https://niyora.com/research/) - [Library](https://niyora.com/research/library/) - Does knowing you are studied about your cycle change what you report? Randomised trial, 1991 # Does knowing you are studied about your cycle change what you report? Women who knew they were being studied reported normal premenstrual and menstrual experiences similar to men, while women who did not know reported slightly lower well-being than men during the premenstrual phase. The study was small. Moderate study design 30 normally cycling women and 23 men ## What they did A randomized study of 30 normally cycling women and 23 men. Women were split into two groups: one aware they were being studied about mood and the menstrual cycle, one unaware. Everyone rated their daily moods and symptoms. ## What they found Six factors explained 70 percent of the variance in ratings: Dysphoric Moods, Well-being, Physical Symptoms, Personal Space, Food Cravings, and Depression. All showed cyclic variation. Unaware women reported less well-being than men during the premenstrual phase, but aware women did not differ from men on any premenstrual or menstrual measure. ## What it means for you Awareness of being studied may influence how women report their premenstrual and menstrual symptoms, suggesting some reported differences between women and men may reflect expectations rather than real differences. The sample was small and only looked at reporting during one cycle. 30 women studied 23 men studied 6 symptom factors identified ## About the study Original title Daily moods and symptoms: effects of awareness of study focus, gender, menstrual-cycle phase, and day of the week Authors Gallant SJ, Hamilton JA, Popiel DA et al. Journal Health psychology : official journal of the Division of Health Psychology, American Psychological Association Year 1991 Study design Randomised trial Participants 30 What was tested Awareness manipulation (aware vs. unaware of study focus) Read the paper [doi.org/10.1037//0278-6133.10.3.180](https://doi.org/10.1037//0278-6133.10.3.180) ## Topics [Premenstrual syndrome (PMS)](https://niyora.com/research/topics/condition-pms/)[Menstrual cycle and mood](https://niyora.com/research/topics/condition-cycle-mood/)[Low mood and depression](https://niyora.com/research/topics/symptom-depression-mood/)[Quality of life and daily functioning](https://niyora.com/research/topics/life-area-quality-of-life/)[Stigma, attitudes and culture](https://niyora.com/research/topics/life-area-stigma-culture/) Research tells you what helps on average. Niyora helps on the day it hits. Calm down, see it another way, and decide what to say, with a PMS and PMDD app built by a doctor. ## Related studies Survey study, 2023 Is PMDD diagnosis associated with more severe depression and anxiety and lower well-being? Survey study, 2026 Why is understanding PMS awareness in teenage girls important? Survey study, 2002 How common is premenstrual dysphoric disorder among women in Morocco? Survey study, 2001 How common is premenstrual dysphoric disorder and how is it related to other psychiatric conditions? Case-control study, 2026 Do women with PMS handle emotions differently at different times of the cycle? Survey study, 2022 What causes PMS and PMDD and what new treatments are being studied? Ask AI about this page Copy prompt ChatGPT ↗ Claude ↗ Perplexity ↗ Google AI Mode ↗ Grok ↗