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5. The measurement of the magnitude of the impact of an intervention is referred to as the:A.Power analysisB.Test of fitC.Effect size D.Factor analysisANS: C6. What is the primary difference between ecological validity and population validity? 7. Sampling techniques used in qualitative research include all except:8. The selection of a sample based on subjects who are accessible to the researcher is called:9. Methods to reduce subject attrition in research studies include all of the following except:A.Keeping data collection procedures simple
B.Minimizing hassle and inconvenienceC.Designing complex collection methods D.Using multiple reminder methodsANS: C10. The major entity or subject (do we want to clarify this is not a person?) that will be analyzed in the study is called the: