8. When can we consider a research sample as "best?" A representative of population B. systematically chosen C. conveniently represented D. purposely selected 9. Given that your study will use stratified random sampling, wherein population of your scope is 250 with a computed sample size of 152, how many samples for each strats will you have if group 1 has 92, group 2 has 86, and group 3 has 72 population? A. Group T = 52 Group 2 = 54, Group z = 46 B. Group 1=56, Group 2 45, Group 3 51 C. Group 1-52, Group 2 = 52, Group 3= 44 D. Group 1 = 54, C Group 2=56, Group 3=41 10. What type of reliability is measured by administering two tests identical in all aspects except the actual wording of items? C. Test-retest reliability A. Internal Consistency Reliability B. Equivalent Forms Reliability D. Inter-rater Reliability 11. What type of validity is when an instrument produces results similar to those of another Instrument that will be employed in the future? A. Predictive Validity Criterion Validity D. Content Validity B. Face Validity 12. The Ability Test has been proven to predict the mathematical skills of Senior High School students. What type of test validity is shown in the example? A. Construct Validity C. Content Validity D. Face Validity 13. What indicator of a good research instrument when items are arranged from simple to complex? 8. Criterion Validity C. Valid and Reliable A. Easily Tabulated B. Sequential D. Concise 14. What is the purpose of Pearson's r as a statistical technique? To test the A, difference between sets of data from different groups. B. difference between two sets of data from one group. C. degree of effect research intervention or treatment. D. relationship between two continuous variables. 15. What statistical should be used for this research problem, "You would like to determine the differences between the opinions of men and women on the COVID-19 local government response?" A. T-Test for two dependent samples B. T-Test for independent samples C. Two-way Chi-square D. Pearson's rheeeelllpppp​