HDFS 2004W Lecture Notes - Lecture 2: Data Analysis, Dependent And Independent Variables, Literature Review
24 Jan 2018
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See what is already known about your topic. If there is conflicting evidence, don"t eliminate it but use it as a reason to do research: types of research, descriptive, describes a particular scenario or situation, employs variables methodological approaches. Survey research: quantitative >> identify average group characteristics >> interview, written survey, ethnographic research, qualitative >> describe individuals" experiences >> interview, associational observation. It would be unethical to randomly assign some to only eat processed foods as infants, others eat natural foods only, so you can"t do an experiment. Intervention: experimental, gold standard in research, uses experiments to establish causation. Independent causes dependent variable: rather than correlations, don"t know which causes which, if anything else impacts it, basic experimental research = experiments, applied experimental research = intervention. Instrumentation: what will be used to measure or collect data, procedures. Step-by-step directions, outlining what will occur from beginning to end: data analysis.
