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Types of Research, The Research Process & Hypothesis Testing | ||
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Purposes of Research | ||
* Basic | ||
* Applied | ||
* Evaluation | ||
* Action | ||
Basic Research | ||
* Generate knowledge for the sake of knowledge | ||
* Most always grounded in established theory | ||
Applied Research | ||
* Aimed at problem solving in "real-world" scenarios | ||
* Results can have immediate impact | ||
Evaluation Research | ||
* Addresses the question of whether intervention research works | ||
Action Research | ||
* Dynamic research process that involves theory, application and evaluation. | ||
Types of research in behavioral science | ||
* Quantitative | ||
* Variable: Something that takes on differenet values or categories | ||
* Categorical | ||
* Quantitative | ||
* Constant: Something that does not change, or vary | ||
* Qualitative | ||
Types of Variables | ||
* Independent Variable | ||
What you change | ||
* Dependent Variable | ||
Changes as a result of what you're doing | ||
* Mediating Variable | ||
Mediates the independent variable and dependent variable | ||
* Moderating Variable | ||
Don't directly affect the relationship, but affect it none the less | ||
Quantitative—Experimental Approach | ||
* Review — What are the three criteria for establishing cause & effect? | ||
* We must think there is cause & effect | ||
* Cause must happen before effect | ||
* Ruled out all other possible causes | ||
* Experiment is the only thing that we have that we can use to determine cause & effect | ||
* However, it's in an unnatural setting | ||
Case Study | ||
* An in-depth examination of a single phenomenon, for descriptive or hypothesis testing reasons. | ||
* Usually happens with strange situations that are interesting but not readily encountered in the world. | ||
Quanttitaive - Nonexperimental | ||
* Correlational Approach | ||
* A.K.A. The Passive Research Approach | ||
* Problems | ||
* Reverse Causation | ||
* Reciprocal Relationships | ||
* Third-variable Problem | ||
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Settings of Research | ||
| Experimental | Case Study | Correlational | ||
-----------+-------------------------+--------------------------+------------------------- | ||
Laboratory | Traditional Experiement | Single Case Study | Use of hidden observers | ||
-----------+-------------------------+--------------------------+------------------------- | ||
Field | Field Experiment | Unconstrained Case Study | Questionnaire Responses | ||
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Time Perspectives on Research | ||
* Most normal research projects will last around 30-90 minutes | ||
* This is fine…it gives you a snapshot so to speak of a person at one moment in time. | ||
Types of Developmental Research | ||
* Cross-sectional - Test two different groups at once. Take a cross section of the group at a certain point. | ||
* Longitudinal - Measure one individual at multiple points in time. | ||
* These both have issues. The best: | ||
* Cohort-Sequential - Measure one group at 1940. Measure group again at 1960, and add a new group. Measure both groups at 1980 then add another group. | ||
Qualitative | ||
* Characteristics | ||
* Interpetive | ||
* Multimethod | ||
* Natural Settings | ||
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