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40 Cards in this Set
- Front
- Back
A variable that influences another variable is called? |
Independent Variable |
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What is Qualitative ? |
-Focuses on emotions (abstract) |
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What is Quantitative? |
-Focuses on Numbers |
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What is Random Error? |
-Can be because of complex measurement systems or professional jargon, lost in translation -Data entry mistakes, someone not understanding vocabulary words |
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What is an Independent Variable? |
-IMPACTS cause, does NOT depend on another variable |
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What is an Dependent Variable? |
-OUTCOME Effect, Dependent relies on the independent for a possible change |
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What are the threats to internal validity? |
-History -Maturation -Testing -Instrumentation Change -Statistical Regression -Selection Bias -Ambiguity |
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Draw and explain a ONE SHOT case study |
X -Fails to control for any of the threats of internal validity |
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Characteristics of a good research question |
-Not easily answered |
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What is the relationship where both the variable increases or decreases ?
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-Positive |
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What is the relationship where one variable increases while the other decreases? |
Negative/inverse |
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What is bottom-up? |
-Own Research |
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What is top-down? |
-Using stuff that has already been researched |
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What does an IRB (Institutional Review Board) do? |
-Reviews research studies to ensure they are ethical |
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What is a control group? |
-Does NOT get the intervention |
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What is a experimental group? |
-Does get the intervention |
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What is the criteria for conferring causality? |
1. Independent variable comes first (IV BEFORE DV) |
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What is internal validity? |
-How confident the intervention is causing the change |
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Inductive Reasoning |
-Observation leads to the theory |
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Deductive Reasoning |
-Start with a theory that you want to test |
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What is statistical regression? |
-Threat, regress it with data |
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Systematic Error |
-Problem with the system or instrument |
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Likert Scale |
A five (or seven) point scale which is used to allow the individual to express how much they agree or disagree with a particular statement.
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Experimental Designs |
-What you do before an experimental study |
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Pre-test post-test with one group |
O1 X O2 |
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Post-test only with nonequivalent groups |
X O O |
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Experimental Designs |
-Has random selection, at least two groups |
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Pretest Posttest with control group |
R O1 X O2 |
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Posttest only with control group |
R X O |
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Solomon 4 Group Design |
R O1 X 02 |
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Dismantling |
R O1 XAB O2 |
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Alternative Treatment Studies |
R O1 XA O2 |
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Curvilinear Relationship between IV and DV |
-Effect goes one way, stays steady and eventually goes the other way |
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Cross sectional study |
-Analyzes data from a specific point in time |
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Longitudinal Study |
-Data is repeatedly covered over an extended period of time |
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Acquiescence Set Bias |
When you have a test and the participant responds to questions based on a pattern Acquiescence = agree (say 'yes' for each question) |
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Systematic Error |
Scale is measured wrong, affects everything |
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Social Desirability Bias |
-Getting an answer to a question that is socially acceptable to a survey |
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What to include on Informed Consent |
-Purpose |
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Validity |
-The response is accurate |