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Journal ArticleDOI

Attitude Measurement: Use of Coefficient Alpha with Cluster or Factor Analysis:

Aubrey C. McKennell
- 01 May 1970 - 
- Vol. 4, Iss: 2, pp 227-245
TLDR
In this paper, a coefficient is described which can be used to obtain rapid reliability estimates for scales derived from either factor or cluster analysis, and the degree of reliability to be aimed at in sample survey work is considered, together with associated problems of scale validity, item selection and scoring, and assumptions about the level of measurement.
Abstract
A coefficient is described which can be used to obtain rapid reliability estimates for scales derived from either factor or cluster analysis. Some affinities with Likert and Guttman scaling are noted. But the total approach is superior to either of these techniques, and to factor or cluster analysis used alone, insofar as it enables the researcher not only to explore the dimensionality of an attitude domain, but also to decide, at the same time, on the number of items required in order to measure each main dimension at an appropriate level of reliability. The degree of reliability to be aimed at in sample survey work is considered, together with associated problems of scale validity, item selection and scoring, and assumptions about the level of measurement.

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Evidence for social learning in the self-presentation of alcohol problems

TL;DR: The data suggest that 'scripts' for problem drinking and for non- problem drinking can be elicited from both problem-drinking and non-problem-dr drinking groups, and support conclusions from an earlier study, suggesting that subjects may use learned ' scripts' rather than recall when responding to certain types of questionnaire instruments.
References
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Journal ArticleDOI

Coefficient alpha and the internal structure of tests.

TL;DR: In this paper, a general formula (α) of which a special case is the Kuder-Richardson coefficient of equivalence is shown to be the mean of all split-half coefficients resulting from different splittings of a test, therefore an estimate of the correlation between two random samples of items from a universe of items like those in the test.
Book

A technique for the measurement of attitudes

Rensis Likert
TL;DR: The instrument to be described here is not, however, indirect in the usual sense of the word; it does not seek responses to items apparently unrelated to the attitudes investigated, and seeks to measure prejudice in a manner less direct than is true of the usual prejudice scale.
Journal ArticleDOI

Construct validity in psychological tests.

TL;DR: The present interpretation of construct validity is not "official" and deals with some areas where the Committee would probably not be unanimous, but the present writers are solely responsible for this attempt to explain the concept and elaborate its implications.
Journal ArticleDOI

On the Theory of Scales of Measurement

TL;DR: The current issues will remain at 32 pages until a more adequate supply of paper is assured, due to a shortage of paper for Bacto-Agar research.
Journal ArticleDOI

A general nonmetric technique for finding the smallest coordinate space for a configuration of points

TL;DR: In this article, a general coefficient of monotonicity, whose maximization is equivalent to optimal satisfaction of the Monotonicity condition, is defined, and which allows various options both for treatment of ties and for weighting error-of-fit.
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What are some case studies that use coefficient values?

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