Final Essay Quantitative Research Methods Security Studies

An arithmetic test is given twice within a few days to a student. The highest possible score is 40. He receives a score of 35 the first time and a score of 18 the second time. If similarly varying results are obtained with other students, the test is probably: {Ans: Unreliable}In qualitative research differences among types of purposive sample are based on differences in: {Ans: All of the above (Individual variability, timing during the study, and representativeness)}The distinguishing characteristic of 'mixed-models' research is: {Ans: Combining qualitative and quantitative approaches within different phases}Which of the following is not an example of a possible location threat? {Ans: All tests are given in a noisy gymnasium}Which of the following is more likely to be found in a qualitative study compared to other methods? {Ans: A description of the patterns of interaction among the members of a group}Which of the following is not possible in causal-comparative research? {Ans: Random assignment to treatment or comparison groups}The "sample" section of a research proposal must state: {Ans: A detailed plan for obtaining subjects}In which of the following would one be most likely to find a correlation coefficient of zero or