Influence of response discriminability on stimulus discriminability.

1965 ◽  
Vol 69 (1) ◽  
pp. 30-34 ◽  
Author(s):  
J. F. Richard
Keyword(s):  
Stimulus Discriminability ◽  
Response Discriminability

Stimulus discriminability and identifications

1964 ◽  
Author(s):  
Arthur Sandusky ◽  
Allen Parducci
Keyword(s):  
Stimulus Discriminability

Influence of Stimulus Discriminability on Psychological Refractory Period Effect

1971 ◽  
Vol 33 (2) ◽  
pp. 571-574
Author(s):  
Frank J. Tolkmitt ◽  
Geraldin P. O'Connor
Keyword(s):  
Undergraduate Students ◽  
Visual Discrimination ◽  
Refractory Period ◽  
Discrimination Task ◽  
Psychological Refractory Period ◽  
Conflict Theory ◽  
Period Effect ◽  
Overt Response ◽  
Stimulus Discriminability ◽  
Psychological Refractory Period Effect

10 undergraduate students were tested in a psychological refractory period paradigm. Stimulus 1 was a visual discrimination task (same-different) and S2 was a 1,000-Hz tone. Discriminability of S1 and ISI were varied. Ss always had to respond to S2, but to S1 only when it was “same.” Discriminability of S1 was found to affect R2, irrespective of whether or not S1 was followed by an overt response. Such a result poses difficulties to expectancy and response-conflict theory.

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