Comparing rating scales of different lengths: Equivalence of scores from 5-point and 7-point scales

Psychological Reports

Volumn 80, Issue 2, 1997, Pages 355-362

  Colman, Andrew M ^a   Norris, Claire E ^b   Preston, Carolyn C ^b  

^a UNIVERSITY OF LEICESTER   (United Kingdom)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002432258     PISSN: 00332941     EISSN: 1558691X     Source Type: Journal    
DOI: 10.2466/pr0.1997.80.2.355     Document Type: Article

References (15)

1. BEARDEN, W. O., NETMEYER, R. G., & MOBLEY, M. F. (1993) Handbook of marketing scales: multi-item measures for marketing and consumer behavior research. Newbury Park, CA: Sage.
2. CICCHETTI, D. V., SHOWALTER, D., & TYRER, P. J. (1985) The effect of number of rating scale categories on levels of inter-rater reliability: a Monte-Carlo investigation. Applied Psychological Measurement, 9, 31-36.
3. COHEN, J. (1988) Statistical power analysis for the behavioral sciences. (2nd ed.) Hillsdale, NJ: Erlbaum.
4. COX, E. P. (1980) The optimal number of response alternatives for a scale: a review. Journal of Marketing Research, 17, 407-422.
5. GHISELLI, E. E. (1955) The measurement of occupational aptitude. Berkeley, CA: Univer. of California.
6. GREEN, P. E., & RAO, V. R. (1970) Rating scales and informational recovery - how many scales and response categories to use? Journal of Marketing, 34, 33-39.
7. HEDGES, L. V., & OLKIN, I. (1985) Statistical methods for meta-analysis. Orlando. FL: Academic Press.
8. MATELL, M. S., & JACOBY, J. (1971) Is there an optimal number of alternatives for Likert scale items? Study 1: reliability and validity. Educational and Psychological Measurement, 31, 657-674.
9. MILLER, G. A. (1956) The magical number seven, plus or minus two: some limits on our capacity for processing information. Psychological Review, 63, 81-97.
10. NEUMANN, L., & NEUMANN, Y. (1981) Comparison of six lengths of rating scales: students' attitudes toward instruction. Psychological Reports, 48, 399-404.
11. ROSENTHAL, R., & ROSNOW, R. L. (1991) Essentials of behavioral research: methods and data analysis. (2nd ed.) New York: McGraw-Hill.
12. SCHUTZ, H. G., & RUCKER, M. H. (1975) A comparison of variable configurations across scale lengths: an empirical study. Educational and Psychological Measurement, 35, 319-324.
13. SHAW, M. E., & WRIGHT, J. M. (1967) Scales for the measurement of attitudes. New York: McGraw-Hill.
14. STEVENS, S. S. (1975) Psychophysics. New York: Wiley.
15. SYMONDS, P. M. (1924) On the loss of reliability in ratings due to coarseness of the scale. Journal of Experimental Psychology, 7, 456-461.