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Scientific Approach. Seeking information in a systematic and unbiased manner. Scientific Approach. Goals Explanation (Understand) Prediction Control (Influence). Scientific Approach. General Methods of Behavioral Research---A Continuum: Natural Field Laboratory

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Presentation Transcript
scientific approach
Scientific Approach
  • Seeking information in a
    • systematic and
    • unbiased manner
scientific approach1
Scientific Approach
  • Goals
    • Explanation (Understand)
    • Prediction
    • Control (Influence)
scientific approach2
Scientific Approach

General Methods of Behavioral Research---A Continuum:

Natural Field Laboratory

<Observat. Survey Exper. Experiment.>

(Case)

THE FURTHER TO THE RIGHT:

-The higher the control of the Independent Variable(s).

-The higher the precision in measuring the Dependent Variable(s).

-The lower the realism.

what no lecture
What, No Lecture?

Students in a basic Economics course were randomly assigned to one of the following class sections:

  • Live Lecture
  • Videotaped Lecture
  • Text Only
what no lecture1
What, No Lecture?

Ranking on Tests:

  • Text
  • Lecture
  • Videotape

The differences were NOT statistically significant.

The study is a good example of a Field Experiment.

laboratory experiment
Laboratory Experiment

Impressions of Organizational Responses to Whistleblower Accusations” – Decker & Calo

Dependent Variables:

1) Respondents’ ratings of Firm

2) Respondents’ ratings of Whistleblower

Independent Variables:

1) Customer: Individuals vs. Govt. Agencies

2) Company Product: Tires vs. Paint

3) Firm Admits Guilt vs. Firm Denies

4) Whistleblower is Fired vs. Not Fired

laboratory experiment1
Laboratory Experiment

Results: Ratings of the Firm

1) Customer: Individuals vs. Govt. Agencies

Difference Not Significant

2) Product: Tires vs. Paint

Paint company rated higher

3) Firm Admits Guilt vs. Firm Denies

4) Whistleblower is Fired vs. Not Fired

Variables 3 and 4 Interacted (effect of one depends

on the level of the other)

---Firm rated highest when Admitting Guilt AND

not firing the Whistleblower (Equally low with the other 3 combinations)

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