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Accurate Research Design

        Help!  

Question
Answer
Are the following variable quantitative or qualitative? Personality type, social class, or communication style   Qualitative  
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A study used when you a conditions can't be controlled   Observational study  
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Observes people going forward in time from the time of their entry into the study.   Cohort Study  
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What are the three elements of an experimental study?   Unit, Treatment, Response  
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Accurately measures what it is intended to measure   Valid data  
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________ an experimental study prevents bias.   Blinding  
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Neither the treatment allocator nor the participant knows in which group the participant is contributing. (Who is getting the real drug?)   Double blind study  
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The participants are not told if they are in the treatment group or control group   Blind study  
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