What are your thoughts on these statistics?
9 upvotes | September 27, 2022 | by BlindMaestro
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> Factors found to facilitate infidelity
> 
>>  Number of sex partners: Greater number of sex partners before
>>  marriage predicts infidelity
> 
> As might be expected, attitudes toward infidelity specifically,
> permissive attitudes toward sex more generally and a greater
> willingness to have casual sex and to engage in sex without
> closeness, commitment or love (i.e., a more unrestricted sociosexual
> orientation) are also reliably related to infidelity (pg.71)

Fincham, F. D., & May, R. W. (2017). Infidelity in romantic
relationships. Current opinion in psychology, 13, 70–74.

.

> Men apparently assess and evaluate levels of sexual activity by a
> woman prior to long-term commitment—behavior that would have been
> observable or known through social reputation in the small-group
> lifestyles of our ancestors. Past behavior is a good predictor of
> future behavior, and having a large number of sex partners prior to
> marriage is a statistical predictor of infidelity after marriage
> (pg.92)

Buss, D. M., & Schmitt, D. P. (2019). Mate preferences and their
behavioral manifestations. Annual Review of Psychology, 70, 77–110.

.

> the odds ratio of 1.13 for lifetime sexual partners obtained with
> the face-to-face mode of interview indicates that the probability of
> infidelity increased by 13% for every additional lifetime sexual
> partner (pg.150)

Whisman, M. A., & Snyder, D. K. (2007). Sexual infidelity in a
national survey of American women: Differences in prevalence and
correlates as a function of method of assessment. Journal of Family
Psychology, 21(2), 147–154.

.

> promiscuity is in fact a good predictor of infidelity. Indeed,
> promiscuity among females accounted for almost twice as much
> variance in infidelity (r2 = .45) as it did for males (r2 = .25).
> (pg.177)

Hughes, S. M., & Gallup, G. G., Jr. (2003). Sex differences in
morphological predictors of sexual behavior: Shoulder to hip and waist
to hip ratios. Evolution and Human Behavior, 24(3), 173–178.

.

> Each additional sex partner between age 18 and the first union
> increased the net odds of infidelity by 1% (pg.56)

Treas, J., & Giesen, D. (2000). Sexual Infidelity Among Married and
Cohabiting Americans. Journal of Marriage and Family, 62(1), 48–60.

.

> Sexual promiscuity was significantly positively correlated with
> emotional promiscuity [r(356) = .261, p < .001], as well with sexual
> infidelity [r(323) = .595, p < .001] and emotional infidelity
> [r(323) = .676, p < .001] (pg.390)

Pinto, R., & Arantes, J. (2017). The Relationship between Sexual and
Emotional Promiscuity and Infidelity. Athens Journal of Social
Sciences, 4(4), 385–398.

.

> Regarding other sexual behaviors, we examined whether number of
> prior sex partners and viewing pornography predicted ESI. As has
> been found in prior research (Feldman & Cauffman, 1999; Treas &
> Giesen, 2000), having had more prior sex partners predicted future
> ESI (pg.12)

Maddox Shaw, A. M., Rhoades, G. K., Allen, E. S., Stanley, S. M., &
Markman, H. J. (2013). Predictors of Extradyadic Sexual Involvement in
Unmarried Opposite-Sex Relationships. Journal of Sex Research, 50(6),
598–610.

.

> When compared with their peers who report fewer partners, those who
> self-report 20 or more in their lifetime are:
> 
>      *
> Twice as likely to have ever been divorced (50 percent vs. 27
> percent)
> 
>      *
> Three times as likely to have cheated while married
> 
>      *
> Substantially less happy with life (p < 0.05) (pg.88-89)

Regnerus, M. (2017). Cheap sex: The transformation of men, marriage,
and monogamy.

.

> women who had more experience with short-term relationships in the
> past (i.e., those with high Behavior facet scores) were more likely
> to have multiple sexual partners and unstable relationships in the
> future. The behaviorally expressed level of sociosexuality thus
> seems to be a fairly stable personal characteristic. (pg.1131)

Penke, L., & Asendorpf, J. B. (2008). Beyond global sociosexual
orientations: a more differentiated look at sociosexuality and its
effects on courtship and romantic relationships. Journal of
Personality and Social Psychology, 95(5), 1113–1135.

.

> Generally speaking, respondents who report extensive premarital
> sexual experience report extensive extramarital activity. Measures
> of the locus of first intercourse and number of premarital partners
> show positive associations with (1) rating one's marriage as less
> happy than average, (2) the number of different extramarital
> partners, and (3) the intention to participate in mate-swapping
> activities. (pg.221-222)

Athanasiou, R., & Sarkin, R. (1974). Premarital sexual behavior and
postmarital adjustment. Archives of Sexual Behavior, 3(3), 207–225.

.

> The findings from this study demonstrate that the number of sexual
> partners participants had was negatively associated with sexual
> quality, communication, and relationship stability, and for one age
> cohort relationship satisfaction, even when controlling for a wide
> range of variables including education, religiosity, and
> relationship length. (pg.715)

Busby, D. M., Willoughby, B. J., & Carroll, J. S. (2013). Sowing wild
oats: Valuable experience or a field full of weeds? Personal
Relationships, 20(4), 706–718.

.

> As predicted, such factors as sexual permissiveness, an avoidant
> romantic style, number of romantic relationships, and early onset of
> sexual intercourse were all correlated with a higher incidence of
> betrayal behaviors. These factors are likely to promote sexual
> activity with a larger number of partners, which, in turn, increases
> the chance that betrayal will occur. (pg.247)

Feldman, S. S., & Cauffman, E. (1999). Your cheatin' heart: Attitudes,
behaviors, and correlates of sexual betrayal in late adolescents.
Journal of Research on Adolescence, 9(3), 227–252.

.

> There was a strong association between number of sexual partners and
> having an STD: those women with 5 or more sexual partners were 8
> times more likely to report having an STD than those with only 1
> partner, even after adjusting for age at first intercourse

Joffe, G. P., Foxman, B., Schmidt, A. J., Farris, K. B., Carter, R.
J., Neumann, S., Tolo, K. A., & Walters, A. M. (1992). Multiple
partners and partner choice as risk factors for sexually transmitted
disease among female college students. Sexually transmitted diseases,
19(5), 272–278.

> An indicator of whether or not the respondent has had previous sex
> partners is included and identifies the number of male sex partners
> the woman had previous to her relationship with her current primary
> partner… A history of numerous sex partners indicates a pattern or
> habit of sexual behavior that we expect will negatively influence
> sexual exclusivity in the current relationship. (pg.37)
> 
> Having previous sexual partners greatly increased the likelihood
> that a woman would have a secondary sex partner. In particular, a
> woman with 4 or more male sex partners prior to her primary
> relationship was about 8.5 times more likely to have a secondary sex
> partnerthan a woman with no previous sex partners… Having previous
> sex partners also increased the likelihood that dating and married
> women would have secondary sex partners. In particular, married
> women with 4 or more previous partners were 20 times more likely to
> have secondary sex partners than married women with no previous sex
> partners (pg.41)

Forste, R., & Tanfer, K. (1996). Sexual exclusivity among dating,
cohabiting, and married women. Journal of Marriage and the Family,
58(1), 33–47.

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