scholarly journals The locus of stimulus probability effect in choice reaction time

1976 ◽  
Vol 7 (6) ◽  
pp. 519-521 ◽  
Author(s):  
Amos Spector ◽  
Ronald D. Lyons
Keyword(s):  
Reaction Time ◽  
Choice Reaction Time ◽  
Stimulus Probability ◽  
Probability Effect

Analysis of Task Difficulty under Varying Conditions of Induced Stress

1970 ◽  
Vol 31 (2) ◽  
pp. 343-348 ◽  
Author(s):  
Jerry W. Thornton ◽  
Paul D. Jacobs
Keyword(s):  
Reaction Time ◽  
Choice Reaction Time ◽  
Reaction Time Task ◽  
Simple Reaction Time Task ◽  
Simple Task ◽  
Practical Applications ◽  
Time Task ◽  
Significant Difference ◽  
Task Relatedness ◽  
Related Stress

Two tasks (simple and choice reaction time) were examined while varying three types of stressors (shock, threat of shock, and noise) and the stressor task relationship (i.e., task-related stress, task-unrelated stress, and no-stress). Four specific hypotheses were tested and 3 were supported in the simple reaction-time task. There were no significant differences among stressors for either task, although greater differences were reported in the simple than in the choice reaction-time task. A significant difference between the “task-relatedness” of stress levels in the simple task was interpreted as possibly due to a “coping” or “protective adaptive mechanism” in which increases in performance serve to reduce stress. Practical applications were examined.

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