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ERIC Number: ED177167
Record Type: Non-Journal
Publication Date: 1978-Mar
Pages: 10
Abstractor: N/A
Reference Count: N/A
When Is An F-ratio Not an F?
Smith, Sandra E.; And Others
A correction of the standard F-ratio for unreliability of the dependent measure has recently been proposed by Winne; the rationale is analogous to that of correcting a correlation for attenuation. However, there are two problems associated with Winne's correction of which potential users should be aware. First, the corrected statistic, F*, has been incorrectly derived; and second, it has been assumed without evidence that F* is distributed as is the common F-ratio. These problems are illustrated (via Monte Carlo procedures) and solutions are suggested. (Author/JKS)
Department of Educational Psychology, University of Wisconsin, 1025 West Johnson Street, Madison, Wisconsin 53706
Publication Type: Speeches/Meeting Papers; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A