The Effects of Word Length and Visual Complexity on Verbal Reaction Times Thirty adult subjects learned to associate nonsense names varying in word length with nonsense visual stimuli varying in visual complexity. Simple reaction times (SRTs), visual duration thresholds (VDTs), matching response latencies (MRLs), and naming response latencies (NRLs) were then obtained from these subjects. The data indicate that SRTs, VDTs, and ... Tutorial
Tutorial  |   March 01, 1976
The Effects of Word Length and Visual Complexity on Verbal Reaction Times
 
Author Affiliations & Notes
  • Donald G. Brennan
    University of Oklahoma, Oklahoma City
  • Walter L. Cullinan
    University of Oklahoma, Oklahoma City
Article Information
Tutorials
Tutorial   |   March 01, 1976
The Effects of Word Length and Visual Complexity on Verbal Reaction Times
Journal of Speech, Language, and Hearing Research, March 1976, Vol. 19, 141-155. doi:10.1044/jshr.1901.141
History: Received April 9, 1975 , Accepted October 25, 1975
 
Journal of Speech, Language, and Hearing Research, March 1976, Vol. 19, 141-155. doi:10.1044/jshr.1901.141
History: Received April 9, 1975; Accepted October 25, 1975

Thirty adult subjects learned to associate nonsense names varying in word length with nonsense visual stimuli varying in visual complexity. Simple reaction times (SRTs), visual duration thresholds (VDTs), matching response latencies (MRLs), and naming response latencies (NRLs) were then obtained from these subjects. The data indicate that SRTs, VDTs, and NRLs are significantly related to word length and that VDTs and NRLs are significantly related to visual complexity. There is also a tendency for MRLs to increase with increases in word length, particularly for “no” responses. However, the effects of word length on VDTs, MRLs, and NRLs may be confounded with the number of trials needed to learn the paired associates or with the number of overlearning trials. The data are consistent with an interpretation that motor planning or some form of implicit speech process may be a part of the total time required for the naming response.

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