CONFUSION MATRIX ANALYSIS FOR FORM PERCEPTION

Abstract

The Constant Ratio Rule (CRR), an empirical technique for analysis of confusion matrices was developed for use in predicting intelligibility of speech syllables. This study investigated the validity of the rule when applied to the data from experiments on visual form perception. English letters and simple geometric figures were tachistoscopically presented in the center of a viewing field. Response proportions for subsets of this master set of stimuli predicted by CRR. Results indicated that the rule: (1) accurately predicted numeric response proportions for subsets of stimuli when experimental conditions were similar, and (2) predicted ordinally accurate data when experimental conditions varied within the limit which might be encountered in 'operational situations.' These results, as well as arithmetic factors which result in errors in prediction are discussed.

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Document Details

Document Type
Technical Report
Publication Date
Jan 29, 1968
Accession Number
AD0668614

Entities

People

  • George Moeller
  • Raymond D. Engstrand

Organizations

  • Naval Submarine Medical Research Laboratory

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Accuracy
  • Alphabets
  • Biomedical Research
  • Brightness
  • Contrast
  • Discrimination
  • Frequency
  • Geometric Forms
  • Information Processing
  • Materials
  • Neurobehavioral Manifestations
  • Perception
  • Personality
  • Probability
  • Recognition
  • Reliability
  • Speech

Fields of Study

  • Psychology

Readers

  • Regression Analysis.
  • Speech Processing/Speech Recognition.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.