Answer the following MCQs - 29)While doing longitudinal studies, a researcher normally faces issue of Select one: a. Validity b. Data analysis c. Comparability of groups d. Shrinkage of sample

30)SPSS uses term 'scale' to refer Select one: a. Categorical data b. Both nominal and ordinal level data c. Both interval and ratio level data d. All of these

19)_________________ deals with accuracy and consistency. Select one: a. Attitude b. Reliability c. Validity d. Rating

20)___________ research data is unstructured and difficult to generalize results. Select one: a. Qualitative b. Cohort c. Causal d. None of these

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