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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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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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