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ERIC Number: EJ982326
Record Type: Journal
Publication Date: 2012-Oct
Pages: 20
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0013-1644
EISSN: N/A
Correlation Attenuation Due to Measurement Error: A New Approach Using the Bootstrap Procedure
Padilla, Miguel A.; Veprinsky, Anna
Educational and Psychological Measurement, v72 n5 p827-846 Oct 2012
Issues with correlation attenuation due to measurement error are well documented. More than a century ago, Spearman proposed a correction for attenuation. However, this correction has seen very little use since it can potentially inflate the true correlation beyond one. In addition, very little confidence interval (CI) research has been done for correction for attenuation. In the present study, the authors propose a bootstrap procedure for estimating the deattenuated correlation and corresponding CIs. The authors use Monte Carlo simulations to generate data under certain conditions and assess the performance of the bootstrapped deattenuated correlation. The authors investigate for bias and 95% CI coverage. Results indicate that the bootstrap deattenuated correlation provided adequate percentile CI coverage in all but three conditions. The bias-corrected and accelerated CI, however, provided adequate coverage under all simulation conditions. (Contains 5 tables and 2 figures.)
SAGE Publications. 2455 Teller Road, Thousand Oaks, CA 91320. Tel: 800-818-7243; Tel: 805-499-9774; Fax: 800-583-2665; e-mail: journals@sagepub.com; Web site: http://sagepub.com
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A