Bias in Recruited Sample Research on Children with Same-Sex Parents Using the Strengths and Difficulties Questionnaire (SDQ)

Journal of Scientific Research & Reports 5(5): 375-387, 2015; Article no. JSRR.2015.104 ISSN: 2320-0227

13 Pages Posted: 2 Feb 2015  

Donald Paul Sullins

The Catholic University of America

Date Written: January 10, 2015

Abstract

Aims: To test for the presence of bias on use of a common psychometric instrument, the Strengths and Difficulties Questionnaire (SDQ), in studies of children with same-sex parents using a recruited convenience sample.

Study Design: Non-parametric quasi-experimental two-group comparison.

Methodology: Results from five qualifying studies, two with random samples and three with recruited samples, were compared with normative population data, assessing the percent of comparisons favorable or unfavorable to children with same-sex parents for six subscale measures.

Results: In the recruited samples 79.3 % (range: 75-83) of comparisons were favorable to children with same-sex parents, compared with no favorable comparisons (0%, range 0-0) in the random samples. Two additional random samples with related measures were also adduced, also with no favorable comparisons (0%, range 0-0).

Conclusion: Evidence suggests strong bias resulting in false positive outcomes for parent-reported SDQ in recruited samples of same-sex parents.

Keywords: same-sex parents, child emotional problems, strengths and difficulties questionnaire (SDQ), survey bias

JEL Classification: C42

Suggested Citation

Sullins, Donald Paul, Bias in Recruited Sample Research on Children with Same-Sex Parents Using the Strengths and Difficulties Questionnaire (SDQ) (January 10, 2015). Journal of Scientific Research & Reports 5(5): 375-387, 2015; Article no. JSRR.2015.104 ISSN: 2320-0227. Available at SSRN: https://ssrn.com/abstract=2558771

Donald Paul Sullins (Contact Author)

The Catholic University of America ( email )

116 McMahon Hall
Washington, DC 20064
United States

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