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10 Cards in this Set
- Front
- Back
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OBSERVATIONAL STUDY
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OBSERVEs INDIVIDUALS AND MEASUREs VARIABLES OF INTEREST
- does attempt to influence the response |
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EXPERIMENT
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DELIBERATELY IMPOSES SOME TREATMENT ON INDIVIDUALS IN ORDER TO OBSERVE THEIR RESPONSES
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EXPERIMENTAL UNITS
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INVIDUALS ON WHICH EXPERIMENT IS DONE
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SUBJECTS
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UNITS THAT ARE HUMAN BEINGS
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TREATMENT
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SPECIFIC EXPERIMENTAL CONDITION APPLIED TO THE EXPERIMENTAL UNITS
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FACTOR
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EXPLANATORY VARIABLE
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RESPONSE VARIABLE
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VARIABLE WHOSE VALUES ARE COMPARED ACROSS DIFFERENT TREATMENTS
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DESGINS OF AN EXPERIMENT
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REFERS TO THE CHOICE OF TREATMENTS AND THE MANNER IN WHICH THE EXPERIMENT UNITS ARE ASSIGNED TO THE TREATMENTS; DESCRIBES FACTORS, RESPONSE VARIABLES, AND TREATMENTS
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COMPARATIVE EXPERIMENTS
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COMPARES TWO GROUPS :
1. CONTROL GROUP - RECIEVES A FALSE TREATMENT TO CONTROL THE EFFECT OF LURKING VARIABLE 2. TREATMENT GROUP |
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PLACEBO EFFECT
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RESPONSE TO A TREATMENT THAT CAN HAVE A PHYSICAL EFFECT; TO AVOID: COMPARE SEVERAL TREATMENT AND CONTROL GROUPS
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