Beyond tests of significance: Estimating strength of effects in selected ANOVA designs.

1969 ◽  
Vol 72 (3) ◽  
pp. 204-213 ◽  
Author(s):  
Graham M. Vaughan ◽  
Michael C. Corballis
Keyword(s):  
Tests Of Significance ◽  
Strength Of Effects

The Logic of Tests of Significance

1976 ◽  
Vol 43 (1) ◽  
pp. 116-128 ◽  
Author(s):  
Roger Carlson
Keyword(s):  
Tests Of Significance

Reliability of Proposed Short Form of Illinois Test of Psycholinguistic Abilities

1978 ◽  
Vol 45 (3) ◽  
pp. 198-204 ◽  
Author(s):  
Ronald P. Maggiore
Keyword(s):  
Internal Consistency ◽  
Short Form ◽  
Full Length ◽  
Psychometric Instrument ◽  
Tests Of Significance ◽  
The Future ◽  
Administration Time

The reliability of the proposed short form of the Revised Illinois Test of Psycholinguistic Abilities (Newcomer & Hammill, 1974) was computed on data derived from 6 year old ITPA standardization test booklets. Measures of internal consistency and between forms reliability were obtained for both full length and short form scorings of single ITPA test administrations. Tests of significance yielded significantly lower measures on 10 of 12 subtests for the short form test when compared to the internal consistency of the full length test. The correlation between the two forms was significantly reduced in all cases when the part-whole correspondence was accounted for. The results were discussed in terms of their impact on the future use of the proposed short form as a psychometric instrument of questionable reliability. Suggestions were proposed for those concerned with reducing administration time.

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