scholarly journals Language patterns in conjunctive concept identification

1969 ◽  
Vol 15 (6) ◽  
pp. 322-322 ◽  
Author(s):  
William C. Penrod ◽  
Irwin D. Nahinsky
Keyword(s):  
Concept Identification ◽  
Conjunctive Concept ◽  
Language Patterns

scholarly journals Increasing the utility of negative instances in conjunctive concept identification

1970 ◽  
Vol 18 (2) ◽  
pp. 101-102 ◽  
Author(s):  
Joseph F. Brinley ◽  
Robert J. Sardello
Keyword(s):  
Concept Identification ◽  
Conjunctive Concept

Use of negative instances in conjunctive concept identification.

1970 ◽  
Vol 84 (1) ◽  
pp. 64-68 ◽  
Author(s):  
Irwin D. Nahinsky ◽  
Frank L. Slaymaker
Keyword(s):  
Concept Identification ◽  
Conjunctive Concept

Alternative Theories of Concept Identification among Older Adults

1988 ◽  
Vol 67 (2) ◽  
pp. 367-372
Author(s):  
Marvin L. Schroth
Keyword(s):  
Hypothesis Testing ◽  
Extensive Study ◽  
Frequency Theory ◽  
Concept Identification ◽  
Younger Adults ◽  
Conjunctive Concept ◽  
Testing Theory ◽  
Correct Hypothesis ◽  
Older Subjects ◽  
The Individual

The purpose of the present experiment was to investigate some predictions of hypothesis testing and S-R association (frequency) theories regarding memory for intratrial events on a conjunctive concept-identification task. They have received extensive study with young adults but not with older subjects. The individual' events under investigation were feedback, responses, hypotheses, and stimuli. Hypothesis-testing theory requires subjects to retain information concerning the correct hypothesis from one trial to the next whereas frequency does not. 75 subjects (60–70 yr. old) participated in the study. Subjects had difficulty in recalling the correct hypothesis stated on previous trials. These errors occurred on problems with negative response trials, not with incorrect feedback. The results contradict predictions based on hypothesis-testing models but are consistent with frequency theory. Unlike in the studies based on younger adults, present subjects did not recall the hypothesis very well under the conditions in which hypothesis testing was made part of the primary task.

‘Switching’ and ‘Staying’: Alternative Strategies in Simple Concept-Identification Situations

1975 ◽  
Vol 36 (2) ◽  
pp. 495-498 ◽  
Author(s):  
John G. E. Harpur
Keyword(s):  
Hypothesis Testing ◽  
Negative Reinforcement ◽  
Stimulus Display ◽  
Concept Identification ◽  
Two Dimensional ◽  
Identification Task ◽  
Alternative Strategies ◽  
Simple Concept ◽  
Language Patterns ◽  
Individual Strategies

Two-dimensional, binary-valued stimuli were presented to 64 Ss in a simple concept-identification task to determine the effect of negative reinforcement on Ss' hypothesis-testing. Whereas the patterns of responding of Ss as a group indicated linguistic syntax appeared profoundly to affect performance, closer inspection indicated that subgroups of Ss were responding to other characteristics in the stimulus display and the language patterns observed ignored individual strategies and thus were an artifact of grouping the data.

scholarly journals The effect of number of attribute-values in conjunctive concept identification

1969 ◽  
Vol 15 (4) ◽  
pp. 213-214 ◽  
Author(s):  
Frank L. Slaymaker ◽  
Irwin D. Nahinsky
Keyword(s):  
Concept Identification ◽  
Conjunctive Concept

scholarly journals Hypothesis sampling in conjunctive concept identification

1968 ◽  
Vol 11 (2) ◽  
pp. 77-78 ◽  
Author(s):  
Irwin D. Nahinsky ◽  
F. Dudley McGlynn
Keyword(s):  
Concept Identification ◽  
Conjunctive Concept
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