J. D. Ashby

Publications
Influence

Vocational Certainty and Indecision in College Freshmen

J. D. Ashby, H. W. Wall, S. H. Osipow
Psychology
1 June 1966

Three groups of entering college freshmen, possessing varying degrees of identification of educational-vocational goals, were compared on a variety of personality, achievement, aptitude, school, and… Expand

Vocational Preference Inventory High Point Codes and Educational Preferences

S. H. Osipow, J. D. Ashby
Psychology
1 October 1968

This study reports normative data describing the combinations of various VPI high point codes associated with educational preferences classified into one of six of Holland's occupational environments… Expand

Personality Types and Vocational Choice: A Test of Holland's Theory

S. H. Osipow, J. D. Ashby, H. W. Wall
Psychology
1 September 1966

In order to test the adequacy of Holland's theory of vocational choice with reference to a broad segment of entering college students, a sample of the freshman class entering the Pennsylvania State… Expand

Effects on clients of a reflective and a leading type of psychotherapy.

J. D. Ashby, D. Ford, Bernard G. Guerkey, Louise F. Guerkey, W. U. Snyder
Psychology
1957

The gas chromatographic determination of nicotinamide and thiamine * in vitamin preparations

J. D. Ashby, J. C. Deavin
Chemistry, Medicine
The Journal of pharmacy and pharmacology
1 December 1969

Methods available for the determination of thiamine and nicotinamide are generally slow and tedious. Gas chromatography alone offers the practical advantages of speed and convenience. It has already… Expand

Unusual cause of backache.

J W Batch, Jefferson D. Ashby
Medicine
United States Armed Forces medical journal
1956

SVIB Scores, Occupational Choices, and Holland's Personality Types

H. W. Wall, S. H. Osipow, J. D. Ashby
Psychology
1 March 1967

E. Marks, J. D. Ashby, G. Noll
Psychology
1 May 1966

Counselor judgment regarding the appropriateness of student curricular choice and the strength of counselor commitment to that judgment were related to student persistence in college. Students who… Expand

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