Preparation of Item Scores for the Correlations Between Persons in a Q Factor Analysis

The acquisition of propositional logic and formal operational schemata during the secondary school years

“…This, however, is far from conclusive evidence since the possibility exists that these factors may have arisen due to the difference in difficulty level of the test items rather than to a difference in their psychological requirements. Factors that arise due to varying levels of item difficulty are called "artifact~al~~ factors (Carol, 1961;Cattell, 1952;Guilford, 1963). At present there is no consensus among statisticians as to the best way to differentiate artifactual (difficulty) factors from psychological factors (Rummel, 1970).…”

A Note on the G Index of Agreement

“…The proposal for G was first made in connection with a paper presented to the Society of Multivariate Experimental Psychologists(Guilford, 1961).2 This form of the equation for G was developed independently by McClung for use in a Q factor analysis(McClung, 1963).at UNIV OF PENNSYLVANIA on April 12, 2015 epm.sagepub.com Downloaded from…”

Curricula Content for Six Technologies

“…Inclusion of items 35 and 47 in the core recommended by management requires additional comments. The breakdown by manufacturing classification of those companies participating in the management study showed that companies in volved in primary metals (33), fabricated metal products (34), and non-electrical machinery (35) comprise 24 of the 40 participating establishments.…”