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Modifications of Directions of Movement Preference with Independent Variation of Two Stimulus Dimensions

Report Number: HRRC RB 51-12
Author(s): Edward A. Bilodeau
Corporate Author: Human Resources Research Center
Laboratory: Perceptual and Motor Skills Research Laboratory
Date of Publication: 6/1/1951
Pages: 7
Contract: Laboratory Research - No Contract
Project: 21-09-004
AD Number: ADF760085

Abstract:
There are many instances of equipment operation in which the movement of a control has an effect which is made known to the operator with a visual indicator. The motion of the indicator may be linked to that of the control in a great many different ways. Consequently, the relationships between the direction of control movement and indicator movement may vary widely in different pieces of equipment. Previous studies have shown the importance of this relationship in determining both performance and rate of learning. In general, these studies indicate that the operator comes to the task with certain movement preferences or stereotypes which are associated with particular directions of movement of the visual indicator. The present study was designed to yield information concerning the relative influence of two different stimulus dimensions upon verbally expressed preferences for directions of indicator movement. In a relatively simple situation, the attempt was made to measure the effects of systematic variations in these stimulus dimensions on the movement preferences of a sample of basic airmen.

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