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Related Experiment Videos

Shaping data collection congruent with experimental hypotheses.

K D O'leary1, R N Kent, J Kanowitz

  • 1State University of New York at Stony Brook.

Journal of Applied Behavior Analysis
|April 1, 1975
PubMed
Summary
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Experimenter feedback significantly biased observational recordings of disruptive behavior. Contingent feedback led to underreporting of target behaviors, highlighting potential bias in behavioral research.

Area of Science:

  • Behavioral Psychology
  • Observational Research Methods
  • Child Psychology

Background:

  • Accurate behavioral observation is crucial for research and clinical assessment.
  • Experimenter influence, including instructions and feedback, can potentially bias observational data.
  • Understanding these influences is key to ensuring the validity of behavioral recordings.

Purpose of the Study:

  • To investigate the impact of experimenter instructions and contingent feedback on observational recordings of disruptive child behavior.
  • To determine if feedback influences observers' recording of target versus control behaviors.

Main Methods:

  • Four observers recorded disruptive behaviors from "baseline" and "treatment" videotapes of children.
  • Observers received specific instructions about expected changes in target and control behaviors.

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  • Contingent positive and negative feedback was provided during the "treatment" phase observation.

    • Main Results:

    • Target behaviors were recorded less frequently by observers during the "treatment" phase.
    • Recordings of control behaviors remained unaffected by the feedback manipulation.
    • The results indicate a clear influence of experimenter feedback on observer recordings.

    Conclusions:

    • Contingent feedback from experimenters can introduce significant bias into behavioral recordings.
    • Researchers should avoid using contingent feedback with observers to maintain data objectivity.
    • Findings underscore the importance of unbiased data collection in behavioral science.