Question

b. There are two dimensions underlying the concept of reliability. They are: test and retest. concurrent definition and predictive definition. face reliability and construct reliability. repeatability and internal consistency. none of the above. do os e os refers to a measuring instrument's ability to accurately measure variability in responses. validity reliability sensitivity consistency 3. Sodė od _ is an introductory statement or preamble to a question that reduces a respondent's reluctance to answer potentially embarrassing questions by suggesting certain behavior is not unusual. Behavioral differentiation Counter-biasing statement Control statement Masking statement 4. Which of the following would not be considered a non-probability sample? Convenience Judgement quota d. stratified b. c. The probability of rejecting the null hypothesis when it is true is alpha one-minus alpha cooooo beta zero none of the above

Answer 1

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Question 1 : Option A. Reliability is the consistency of scores across person, place and time. Test and retest method is used to assess the consistency of scores in the same sample.

Question 2 : Option C. It is one among the measurement concept. Sensitivity means identifying a tool's ability to measure it's variability.

Question 3 : Option B. It is a technique used to reduce reluctance in respondents by using prefaced statement to justify an answer.

Question 4 : Option D. Stratified sampling is a probability sampling method. In this method researcher divide population into subgroups known as strata. Then, from each strata sample will be selected for the study.

Question 5 : Option A. By rejecting a true null hypothesis we are committing type 1 error and probability of making type 1 error is alpha.