e-Articles (Chapter 9)

Here are the titles of some full-length research articles that illustrate concepts discussed in this chapter. To view any article on-line, simply click on its title.

Effectiveness of Negative Political Advertising

Shows how the hypothesis testing procedure can be used to see if a correlation coefficient is significantly different from zero. Such a test was performed 10 times, with results presented in Table 5.

Correlations Among Depression Rating Scales and a Self-RatingAnxiety Scale in Depressive Outpatients

Illustrates the use of the hybrid approach to evaluating correlational null hypotheses. For one r in Table 1, p < .001; for three, p < .01,; and for one, p < .05.

Marketing and Marketing Effectiveness Perceptions of Ohio Vocational Education Planning District (VEPD) Superintendents

In this study, each of several bivariate correlations was tested for significance. Some of these correlations were computed using Pearson's technique; others were computed using the point-biserial technique. See (1) the short section entitled "Data Analysis" and (2) Tables 3 and 4 and the authors' discussion of these tables.

Perceptions of Leadership in Postsecondary Technical Institutes in Georgia

Illustrates how the the square of a correlation coefficient can, at times, suggest that a statistically significant r is not significant in any practical sense. (See the final paragraph prior to the "Summary.")

Copyright © 2012

Schuyler W. Huck
All rights reserved.

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