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June 20th, 2007

Stranger Sex

Stranger SexBrowsing through some fairly old research, I was fascinated to discover a psychological experiment carried out in 1978, and again in 1982. It was then published in 1989, in the Journal of Psychology and Human Sexuality.

Clark, R. D., III & Hatfield, E. (1989), Gender differences in receptivity to sexual offers, Journal of Psychology and Human Sexuality, 2, 39-55*.

*A PDF copy of the complete review and experiment is available from the link above. But I have reproduced the experimental portion of the study below, because I thought it was so interesting (and the PDF copy isn’t especially clear).

Mysteriously, the paper doesn’t explain exactly why the research was conducted in the first place; although I do believe that this could be the first time that Scientists have taken a serious interest in the craft of ‘picking up’ members of the opposite sex.

To summarise the experiment, five women and four men were sent, one at a time, onto a college campus. Each approached strangers of the opposite sex, and said: “I have been noticing you around campus. I find you to be very attractive.” They then invited the strangers either to go on a date, or to come over to their apartment, or to have sex with them.

This experiment was performed twice, and the results produced were very similar on both occasions (which indicates that the data is reliable). The report concludes: “The great majority of men were willing to have a sexual liaison with the women who approached them. Not one woman agreed to a sexual liaison.” The method is described below:



Confederates: Study #1 was conducted in 1978 and Study #2 was conducted in 1982. In both studies, five college women and four college men from an experimental social psychology class served as experimenters. All had volunteered to approach subjects who were alone at five different locations on campus. The confederates were approximately 22 years of age and were neatly dressed in casual attire. The physical attractiveness of both the female and male confederates varied from slightly unattractive to moderately attractive. Ratings of the confederates' attractiveness were found to have no effect on the results and thus we will not discuss this variable further.

Subjects: In both Study #1 and Study #2, subjects were 48 men and 48 women who were on the campus of Florida State University. Sixteen subjects were randomly assigned to each of the six conditions.

Procedure: The confederates stood on one of five college quadrangles, and approached members of the opposite sex, who were total strangers. Only one requestor made a request in each area at any one time. The requestors were instructed to approach only subjects who were attractive enough that they would be willing to actually sleep with them, if given the opportunity (assuming, of course, that they were appropriate on other grounds as well). On a scale of 1 to 9 (1 = "Very unattractive"; 9 = "Very attractive"), female confederates rated the subjects M = 7.30. Male confederates rated the subjects M = 7.70. (These ratings were not significantly different; t < 1.00.) The confederates' ratings made it clear that they only selected "moderately" to "very attractive" male and female subjects.

Once a subject was selected, the requestor approached him/her and said: "I have been noticing you around campus. I find you to be very attractive." The confederate then asked subjects one of three questions: "Would you go out with me tonight?" or "Would you come over to my apartment tonight?" or "Would you go to bed with me tonight?" Thus, this procedure resulted in a 2 x 3 factorial design [Sex of requestor (2 levels) x Type of request (3 levels)].

The requestor carried a notebook which had one of the three requests written on a separate page. The type of request was randomly determined for each requestor. After the selection of a subject, each requestor flipped a page in the notebook to see what type of request was to be made.

The requests were made during weekdays to decrease the probability of subjects refusing because they had dates or other social obligations. Subjects were not approached between class periods or during rainy weather.

Subjects were debriefed and thanked for their participation.

RESULTS AND DISCUSSION

A 2 x 3 x 2 multidimensional chi-square analysis was used to analyse the data (Winer, 1971). In Study #1, conducted in 1978, the results indicated that men were more likely to say yes to each type of invitation than were women (65% versus 21%, Χ² (1) = 18.78, p < .001). However, as can be clearly seen in Table 1, Sex of requestor/Sex of subject interacted with the type of invitation, Χ² (2) = 29.33, p < .001. Whereas, both males and females were willing to go out on a date, it was only the males who agreed to go to the females apartment and go to bed with her, Χ² (1) = 9.30, p < .01 and Χ² 12.52, p < .001, respectively.

Table 1: Study #1, 1978
Percentage of Compliance With Each Request

Type of Request
Sex of Requestor Date Apartment Bed
Male 56% 6% 0%
Female 50% 69% 75%

In Study #2, conducted in 1982, we secured results that were almost identical with those described above. Once again, men were more likely to respond positively to each type of request than were women (63% versus 17%, Χ² (1) = 21.08, p < .001). However, once again, as can be seen in Table 2, Sex of requestor/Sex of subject interacted with the type of request, Χ² (2) = 23.65, p < .001. Whereas, both males and females were equally willing to accept a date, Χ² (1) = 0, n. s., it was only males who agreed to go to a female's apartment (Χ² (1) = 16.76, p < .001) or to go to bed with her (Χ² (1) = 16.76, p < .001).

Table 2: Study #2, 1982
Percentage of Compliance With Each Request

Type of Request
Sex of Requestor Date Apartment Bed
Male 50% 0% 0%
Female 50% 69% 69%

In both studies, we found then that men and women responded as traditionalists would expect them to. Men readily accepted a sexual invitation. Women were extremely reluctant to do so.

We now know that this is so. We are not quite sure why this is so. It may be that, as sociobiologists suggest, women are eager for love and commitment. Men are eager for sexual activity. Such theorizing is consistent with the data. Both men and women were willing to date a total stranger. (When one goes on a date, one has the opportunity to asses the probability that a loving relationship could occur.) Women were unwilling to go to a man's apartment or to have sexual relations. Men, on the other hand, were surprisingly willing to go to a strange woman's apartment or to bed. (In fact, they were less willing to accept an invitation to date than to have sexual relations!)

Consistent with this interpretation were the subject's reactions to the requests. In general, the female experimenters reported that men were at ease with the request. They would say "Why do we have to wait until tonight?" or "I cannot tonight, but tomorrow would be fine." The men that said "No" even gave apologies, i.e., "I'm married" or "I'm going with someone." In contrast, the woman's response to the intimate requests from males was "You've got to be kidding," or "What is wrong with you? Leave me alone."

Of course the sociological interpretation - that women are interested in love while men are interested in sex - is not the only possible interpretation of these data. It may be, or course, that both men and women were equally interested in sex, but the men associated fewer risks with accepting a sexual invitation than did women. Men may be more confident of their ability to fight back a physical assault than are women. Also, the remnants of the double standard may make women afraid to accept the man's invitation.

Regardless of why we secured these data, however, the existence of these pronounced gender differences is interesting.

Researchers may well choose to replicate this study sometime in the next five years to ascertain what impact the AIDS epidemic has on the preceding pattern of results. There is some anecdotal evidence that in such major cities as New York, Chicago, Los Angeles, etc. both men and women have become extremely wary of casual sex (see Baum, 1987). This should, of course, markedly alter the preceding pattern of results. On the other hand, some researchers (Weinstein, 1980 and 1984) have found that young people still underestimate the riskiness of their "unsafe" sexual practises and that most young people tend to see themselves as invulnerable to negative events. In that case, the preceding pattern of results might be expected to continue into the future.

References:

  • Baum, A. (Ed.) (March 1987), Special issue on acquired immune deficiency syndrome (AIDS), Journal of Applied Social Psychology, 17(3), 189-350.
  • Weinstein, N. D. (1980), Unrealistic optimism about future life events, Journal of Personality and Social Psychology, 39, 806-820.
  • Weinstein, N. D. (1984), Why it won't happen to me: Perception of risk factors and susceptibility, Health Psychology, 3, 431-457.
  • Winer, B. J. (1971), Statistical principles in experimental designs, New York: McGraw-Hill.

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Posted by Jonathan in History, Psychology

1 Comment »

This entry was posted on Wednesday, June 20th, 2007 at 10:44 PM and is filed under History, Psychology. You can follow any responses to this entry through the comments RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “Stranger Sex”

  1. ProWomanProLife » Drink, drink, drink… says:

    [...] reminds me of a study a psychologist friend sent me. An unethical study done in the early ’80s but nonetheless, [...]

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