Reasons for Having Sex Questionnaire (YSEX)

Author of Tool: 

Meston, C., & Buss, D.M.

Key references: 

Meston, C., & Buss, D.M. (2007). Why humans have sex. Archives of Sexual Behavior, 36, 477-507.

Primary use / Purpose: 

To assess alternative reasons to the traditional theories as to why individuals have sex

Background: 

Historically, the reasons people have sex have been assumed to be few in number and simple in nature–to reproduce, to experience pleasure, or to relieve sexual tension. Several theoretical perspectives suggest that motives for engaging in sexual intercourse may be larger in number and psychologically complex in nature. Reasons vary with gender, with relationship status, with societal status etc. The Reasons for Having Sex Questionnaire (YSEX) attempts to measure the applicability of reasons for having sex, the response choices being listed on a 5-point Likert scale, with scale interval anchors being None of my sexual experiences (1), A few of my sexual experiences(2), Some of my sexual experiences(3), Many of my sexual experiences(4), and All of my sexual experiences (5).

Psychometrics: 

Cronbach’s coefficient alphas were calculated for each of the subfactors and factor composite scores separately by gender and for the total sample. In each of the total, male, and female samples, values exceeded .85 for each of the Physical, Goal Attainment, Emotional, and Insecurity Factor scores, indicating high internal consistency. At the subfactor level, in the combined sample, values ranged from .75 for the Self-Esteem Boost to .83 for the Stress Reduction and Resources subfactors. In the male sample, subfactor alphas ranged from .77 to .89 for the Utilitarian and Resources subfactors, respectively. In the female sample, subfactor values ranged from .70 for the Revenge subfactor to .86 for Experience Seeking and Duty/Pressure subfactors.

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