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Volumn 70, Issue 1, 2010, Pages 5-21

The Impact of Outliers on Cronbach's Coefficient Alpha Estimate of Reliability: Ordinal/Rating Scale Item Responses

Author keywords

coefficient alpha; Likert item responses; outliers; rating scale; reliability

Indexed keywords


EID: 84993683884     PISSN: 00131644     EISSN: None     Source Type: Journal    
DOI: 10.1177/0013164409344548     Document Type: Article
Times cited : (57)

References (35)
  • 1
    • 84973705194 scopus 로고
    • Number of response categories and statistics on a teacher rating scale
    • Aiken, L.R. (1983). Number of response categories and statistics on a teacher rating scale. Educational and Psychological Measurement, 43, 397-401.
    • (1983) Educational and Psychological Measurement , vol.43 , pp. 397-401
    • Aiken, L.R.1
  • 2
    • 0030549057 scopus 로고    scopus 로고
    • The effects of nonnormality and number of response categories on reliability
    • Bandalos, D.L., & Enders, C.K. (1996). The effects of nonnormality and number of response categories on reliability. Applied Measurement in Education, 9, 151-160.
    • (1996) Applied Measurement in Education , vol.9 , pp. 151-160
    • Bandalos, D.L.1    Enders, C.K.2
  • 4
    • 0033249399 scopus 로고    scopus 로고
    • Nonattending respondent effects on internal consistency of self-administered surveys: A Monte Carlo simulation study
    • Barnette, J. (1999). Nonattending respondent effects on internal consistency of self-administered surveys: A Monte Carlo simulation study. Educational and Psychological Measurement, 59, 38-46.
    • (1999) Educational and Psychological Measurement , vol.59 , pp. 38-46
    • Barnette, J.1
  • 5
    • 0012607033 scopus 로고
    • The most probable choice between several discrepant observations and the formation there from of the most likely induction
    • (Original work published
    • Bernoulli, D. (1961). The most probable choice between several discrepant observations and the formation there from of the most likely induction. Biometrika, 48, 3-13. (Original work published 1777)
    • (1961) Biometrika , vol.48 , pp. 3-13
    • Bernoulli, D.1
  • 6
    • 84973709311 scopus 로고
    • The power of t and Wilconxon statistics: A comparison
    • Blair, R.C., & Higgins, J.J. (1980). The power of t and Wilconxon statistics: A comparison. Evaluation Review, 4, 645-656.
    • (1980) Evaluation Review , vol.4 , pp. 645-656
    • Blair, R.C.1    Higgins, J.J.2
  • 7
    • 4243118724 scopus 로고
    • Characterizations of an empirical influence function for detecting influential cases in regression
    • Cook, R.D., & Weisberg, S. (1980). Characterizations of an empirical influence function for detecting influential cases in regression. Technometrics, 22, 495-507.
    • (1980) Technometrics , vol.22 , pp. 495-507
    • Cook, R.D.1    Weisberg, S.2
  • 8
    • 84993790580 scopus 로고    scopus 로고
    • My current thoughts on coefficient alpha and successor procedures
    • Cronbach, L.J. (2004). My current thoughts on coefficient alpha and successor procedures. Educational and Psychological Measurement, 64, 391-418.
    • (2004) Educational and Psychological Measurement , vol.64 , pp. 391-418
    • Cronbach, L.J.1
  • 11
    • 0001842452 scopus 로고
    • The basis for scalogram analysis
    • In S. A. Stouffer, L. Guttman, E. A. Suchman, P. F. Lazarsfeld, S. A. Star, & J. A. Clausen (Eds.), Princeton, NJ : Princeton University Press
    • Guttman, L. (1950). The basis for scalogram analysis. In S. A. Stouffer, L. Guttman, E. A. Suchman, P. F. Lazarsfeld, S. A. Star, & J. A. Clausen (Eds.), Measurement and prediction (pp. 60-90). Princeton, NJ: Princeton University Press.
    • (1950) Measurement and prediction , pp. 60-90
    • Guttman, L.1
  • 14
    • 58149410124 scopus 로고
    • A Monte Carlo study of factors affecting three indices of composite scale reliability
    • Jenkins, G.D., & Taber, T.D. (1977). A Monte Carlo study of factors affecting three indices of composite scale reliability. Journal of Applied Psychology, 62, 392-398.
    • (1977) Journal of Applied Psychology , vol.62 , pp. 392-398
    • Jenkins, G.D.1    Taber, T.D.2
  • 16
    • 0001859044 scopus 로고
    • A technique for the measurement of attitudes
    • Likert, R. (1932). A technique for the measurement of attitudes. Archives of Psychology, 140, 1-55.
    • (1932) Archives of Psychology , vol.140 , pp. 1-55
    • Likert, R.1
  • 17
    • 0002435895 scopus 로고
    • Effect of the number of scale points on reliability: A Monte Carlo approach
    • Lissitz, R.W., & Green, S.B. (1975). Effect of the number of scale points on reliability: A Monte Carlo approach. Journal of Applied Psychology, 60, 10-13.
    • (1975) Journal of Applied Psychology , vol.60 , pp. 10-13
    • Lissitz, R.W.1    Green, S.B.2
  • 18
    • 21344492109 scopus 로고
    • The continuity principle in psychological research: An introduction to robust statistics
    • Lind, J.C., & Zumbo, B.D. (1993). The continuity principle in psychological research: An introduction to robust statistics. Canadian Psychology, 34, 407-412.
    • (1993) Canadian Psychology , vol.34 , pp. 407-412
    • Lind, J.C.1    Zumbo, B.D.2
  • 19
    • 34547207210 scopus 로고    scopus 로고
    • The impact of outliers on Cronbach's coefficient alpha estimate of reliability: Visual analogue scales
    • Liu, Y., & Zumbo, B.D. (2007). The impact of outliers on Cronbach's coefficient alpha estimate of reliability: Visual analogue scales. Educational and Psychological Measurement, 67, 620-634.
    • (2007) Educational and Psychological Measurement , vol.67 , pp. 620-634
    • Liu, Y.1    Zumbo, B.D.2
  • 20
    • 84973818012 scopus 로고
    • Is there an optimal number of alternatives for Likert scale items? Study I: Reliability and validity
    • Matell, M., & Jacoby, J. (1971). Is there an optimal number of alternatives for Likert scale items? Study I: Reliability and validity. Educational and Psychological Measurement, 31, 657-674.
    • (1971) Educational and Psychological Measurement , vol.31 , pp. 657-674
    • Matell, M.1    Jacoby, J.2
  • 21
    • 0002128914 scopus 로고
    • Data analysis, including statistics
    • In G. Lindzey & E. Aronson (Eds.), Research methods Reading, MA : Addison-Wesley
    • Mosteller, F., & Tukey, J.W. (1968). Data analysis, including statistics. In G. Lindzey & E. Aronson (Eds.), The handbook of social psychology: Vol. 2. Research methods (pp. 80-203). Reading, MA: Addison-Wesley.
    • (1968) The handbook of social psychology , vol.2 , pp. 80-203
    • Mosteller, F.1    Tukey, J.W.2
  • 23
    • 84893505296 scopus 로고    scopus 로고
    • Notes on the use of data transformations
    • Retrieved October 21, from
    • Osborne, J. (2002). Notes on the use of data transformations. Practical Assessment, Research & Evaluation, 8. Retrieved October 21, 2008, from http://PAREonline.net/getvn.asp?v=8&n=6
    • (2002) Practical Assessment, Research & Evaluation , vol.8
    • Osborne, J.1
  • 24
    • 0000402849 scopus 로고
    • Outliers and influential data points in regression analysis
    • Stevens, J.P. (1984). Outliers and influential data points in regression analysis. Psychological Bulletin, 95, 334-344.
    • (1984) Psychological Bulletin , vol.95 , pp. 334-344
    • Stevens, J.P.1
  • 25
    • 10044229485 scopus 로고    scopus 로고
    • Impact of the number of response categories and anchor labels on coefficient alpha and test-retest reliability
    • Weng, L.J. (2004). Impact of the number of response categories and anchor labels on coefficient alpha and test-retest reliability. Educational and Psychological Measurement, 64, 956-972.
    • (2004) Educational and Psychological Measurement , vol.64 , pp. 956-972
    • Weng, L.J.1
  • 26
  • 27
    • 0000844447 scopus 로고    scopus 로고
    • How many discoveries have been lost by ignoring modern statistical methods?
    • Wilcox, R.R. (1998). How many discoveries have been lost by ignoring modern statistical methods? American Psychologist, 53, 300-314.
    • (1998) American Psychologist , vol.53 , pp. 300-314
    • Wilcox, R.R.1
  • 29
    • 0002410704 scopus 로고
    • Differences between odd and even number of response scale: Some empirical evidence
    • Wong, C.S., Chuen, K.C., & Fung, M.Y. (1993). Differences between odd and even number of response scale: Some empirical evidence. Chinese Journal of Psychology, 35, 75-86.
    • (1993) Chinese Journal of Psychology , vol.35 , pp. 75-86
    • Wong, C.S.1    Chuen, K.C.2    Fung, M.Y.3
  • 31
    • 0001685213 scopus 로고
    • Relative power of parametric and nonparametric statistical methods
    • In G. Keren & C. Lewis (Eds.), Methodological issues Hillsdale, NJ : Lawrence Erlbaum
    • Zimmerman, D.W., & Zumbo, B.D. (1993). Relative power of parametric and nonparametric statistical methods. In G. Keren & C. Lewis (Eds.), A handbook for data analysis in the behavioral sciences: Vol. 1. Methodological issues (pp. 481-517). Hillsdale, NJ: Lawrence Erlbaum.
    • (1993) A handbook for data analysis in the behavioral sciences , vol.1 , pp. 481-517
    • Zimmerman, D.W.1    Zumbo, B.D.2
  • 33
    • 33947609840 scopus 로고    scopus 로고
    • The robustness of validity and efficiency of the related samples t-test in the presence of outliers
    • Zumbo, B.D., & Jennings, M. (2002). The robustness of validity and efficiency of the related samples t-test in the presence of outliers. Psicologica, 23, 415-450.
    • (2002) Psicologica , vol.23 , pp. 415-450
    • Zumbo, B.D.1    Jennings, M.2
  • 34
    • 33646129576 scopus 로고    scopus 로고
    • Responsible modelling of measurement data for appropriate inferences: Important advances in reliability and validity theory
    • In D. Kaplan (Ed.), Thousand Oaks, CA : Sage
    • Zumbo, B.D., & Rupp, A.A. (2004). Responsible modelling of measurement data for appropriate inferences: Important advances in reliability and validity theory. In D. Kaplan (Ed.), The Sage handbook of quantitative methodology for the social sciences (pp. 73-92). Thousand Oaks, CA: Sage.
    • (2004) The Sage handbook of quantitative methodology for the social sciences , pp. 73-92
    • Zumbo, B.D.1    Rupp, A.A.2
  • 35
    • 21344482061 scopus 로고
    • Is the selection of statistical methods governed by level of measurement?
    • Zumbo, B.D., & Zimmerman, D.W. (1993). Is the selection of statistical methods governed by level of measurement? Canadian Psychology, 34, 390-400.
    • (1993) Canadian Psychology , vol.34 , pp. 390-400
    • Zumbo, B.D.1    Zimmerman, D.W.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.