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Questionnaire Name Median Length Participants
Sibling Types ... ...
Eye colour survey ... ...
Self ... ...
Parenting ... ...
Competition among fellow men ... ...
Competition among fellow women ... ...
Hormones & Menstrual Cycle ... ...
Adult Sibling Relationship Questionnaire I ... ...
Attitudes ... ...
Feelings and thoughts ... ...
Ranking Mate Preferences ... ...
Mate Preferences ... ...
Life History Questionnaire ... ...
Altruism ... ...
Personality ... ...
Personality traits ... ...
Empathizing - Short Form ... ...
Systemizing - Short Form ... ...
Drive ... ...
Obsessive Behaviour ... ...
Future Discounting ... ...
Personality ... ...
Family ... ...
Demographics ... ...