Subject Pool Sign-Up Procedures: A Threat to External Validity

Jackson, Jeffrey M.; Procidano, Mary E.; Cohen, Carrie J

doi:10.2224/sbp.1989.17.1.29

Cited by 30 publications

(21 citation statements)

References 15 publications

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“…Men were fewer in number and perhaps less representative of their gender within the general population. Although it could not be determined whether the men in these classes were less likely than the women in this study to volunteer, the potential role of self-selection biases is known to be considerable (Jackson, Procidano, & Cohen, 1989). Interpretive caution is warranted in assuming that volunteerism equally affected the external validity of the sample between the men and women.…”

Section: Discussionmentioning

confidence: 89%

Family Environment as a Predictor of the Quality of College Students' Friendships

Wise

King

2007

Journal of Family Issues

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Family environment appears to be an important determinant of friendship quality. Despite this apparent link, few studies have explored how family environment relates to friendship, especially among college students. The present study examined the relationship between family environment and best friendships, by administering the Family Environment Scale (FES) and the Acquaintance Description Form-Revised (ADF-F2) to 408 college students. Family environment was a better predictor of friendship quality for female college students than for male college students. For the women, a total of 13% of the FES and ADF-F2 correlations were significant at the p < .01 level. The best predictors of friendship quality for the women were the FES active recreational and intellectual-cultural dimensions. Gender differences were also evident in students' perceptions of their families' environments and their views of the quality of their best friendships. Implications of the present study for college adjustment and retention are discussed.T he social environment plays a major role in shaping psychological development and behavior. The family of origin is perhaps our most important social environment (Bray, Harvey, & Williamson, 1987). It has a profound effect on how a person behaves and interacts with others. Researchers have hypothesized that family environment influences personal relationships in many ways.

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Section: Discussionmentioning

confidence: 89%

Family Environment as a Predictor of the Quality of College Students' Friendships

Wise

King

2007

Journal of Family Issues

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“…Studies also find that participants self-select to experiments with different descriptions, depending i.a. on gender and personality traits (Jackson et al 1989;Senn and Desmarais 2001).…”

Section: Introductionmentioning

confidence: 99%

What brings your subjects to the lab? A field experiment

Krawczyk

2011

Exp Econ

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This paper reports a field experiment involving manipulation of invitations to register in an experimental economics subject database. Two types of invitations were sent out: one emphasizing pecuniary and the other non-pecuniary benefits of participation. The former resulted in higher response rate and the strength of this treatment effect was comparable in different groups defined by gender and academic major. In a follow-up test conducted about a year later it was found that individuals recruited by invitations emphasizing monetary benefits were less willing to make an effort to participate in a non-paid survey. The very same survey also showed that they were marginally less altruistic in general.

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“…In Bogaert's (1996) study only male college students were utilized. Also, the nonvolunteers in both Bogaert's and Saunders et al's (1985) studies had signed up to participate in a study on personality, which likely resulted in some degree of self-selection for more extraverted participants (Jackson, Procidano, & Cohen, 1989;Silverman & Margulis, 1973). …”

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confidence: 99%