Week 7 ExamQUESTION 11. A researcher is conducting research on using technology in teaching. The researcher has two groups. The first group receives instruction via a PowerPoint presentation that is online. The second group attends a class and receives instruction from a teacher face to face. The researcher classifies the students based on when they volunteer for the study. The first 50 students who volunteer receive online instruction. The next 50 receive instruction by attending a class with a teacher. With respect to this study, we could identify that: a. This study is poor because the researcher used random sampling. b. This study is poor because the researcher did not use random sampling. c. This study is good because we have minimized sampling error. d. This study is good due to the equal sample size in each group. 2 points QUESTION 21. Participants in a sample must be: a. Representative b. Easily obtained c. Convenient d. Numerous 2 points QUESTION 31. The method identifying themes relevant to qualitative data that is collected is called: a. Criticism b. Trustworthiness c. Theory d. Coding 2 points QUESTION 41. Which of the following is NOT a characteristic of a statistical hypothesis? a. Contains an alternative hypothesis b. Provides evidence c. Proves the research question d. Contains a null hypothesis 2 points QUESTION 51. A colleague has been tutoring six students in 11th grade to prepare for the ACT. This colleague has asked you to evaluate the performance of his students. Student scores were as follows: 20, 18, 16, 15, 23, 20. The mode of the ACT scores is: a. 17 b. 20 c. 19 d. 18 2 points QUESTION 61. A perfect correlation is denoted by: a. +1.0 and -1.0 b. -1.00 c. +1.00 d. .50 2 points QUESTION 71. You are conducting research on the effects of exercise on individuals with poor social skills. You indicate that you believe people who become actively involved with an exercise program will show higher levels of socialization. This is an example of: a. A null hypothesis b. A scientific hypothesis c. A nonparametric hypothesis d. An alternative hypothesis 2 points QUESTION 81. Which of the following is a research design that allows researchers to provide more information about the participants and potentially provide a more meaningful study? a. Mixed Method b. Quantitative Method c. Qualitative Method d. Single-Subject Method 2 points QUESTION 91. Which of the following is not a way of collecting qualitative data? a. Observation b. Interview c. Survey d. All may be used to collect qualitative data 2 points QUESTION 101. In a normal distribution, what percentage of the scores is above the mean? a. 95% b. 99% c. 68% d. 50% 2 points QUESTION 111. A researcher is doing a study on high school athletes and moral development. During the study, the football team throws a party to celebrate a great victory. The school principal receives a call the next day that several football players were intoxicated, and a female student was sexually assaulted. This event should be identified as a: a. Standardized variable b. Independent variable c. Dependent variable d. Confounding variable 2 points QUESTION 121. An example of a research approach that assesses change after the treatment or intervention is over is: a. A-B-A Design b. Phenomenology c. Experimental Design d. Correlational Design 2 points QUESTION 131. Dr. Sunshine has 12 students in her class. She has given a test and is evaluating the performance of her class. The exam is worth 50 points. Eleven of the students scored between 45 and 50. One student scored 12. The best measure for Dr. Sunshine to get an idea related to the performance of the class is the: a. Mean b. Mode c. Median d. Variance 2 points QUESTION 141. A researcher is conducting research on using technology in teaching. The researcher has two groups. The first group receives instruction via a PowerPoint presentation that is online. The second group attends a class and receives instruction from a teacher face to face. The researcher classifies the students based on when they volunteer for the study. The first 50 students who volunteer receive online instruction. The next 50 receive instruction by attending a class with a teacher. The type of instruction the student receives is the: a. Dependent variable b. Confounding variable c. Standardized variable d. Independent variable 2 points QUESTION 151. A quantitative research design that does not manipulate an independent variable is called: a. Experimental Design b. Ethnography c. Grounded Theory d. Correlational Design 2 points QUESTION 161. Scores that differ markedly from the rest of the sample are known as: a. Z-scores b. Confounding variables c. T-scores d. Outliers 2 points QUESTION 171. Hypothesis testing may be defined as: a. Direct observations of a phenomena b. Subjective c. Systematic and logical collection and analysis of data d. Moving from specific to general 2 points QUESTION 181. When a researcher wishes to know how a set of participants changed over time or across repeated measures of a construct, the method that is conducted is: a. Single-Case Research Design b. Qualitative Design c. Quantitative Design d. Mixed Method Design 2 points QUESTION 191. Sex and ethnicity are examples of: a. Social variables b. Scientific variables c. Discrete variables d. Continuous variables 2 points QUESTION 201. Studies conducted to understand changes over time, in particular, populations or differences in respondents who share specific qualities are: a. Cohort studies b. Panel studies c. Survey and longitudinal studies d. Trend studies 2 points QUESTION 211. A study that moves from general to specific is: a. Inductive b. Deductive c. Historical d. Qualitative 2 points QUESTION 221. The goal of qualitative research is: a. None of the above b. The collection of statistically reliable data c. Generalizations to a group d. Transferability 2 points QUESTION 231. A colleague has been tutoring six students in 11th grade to prepare for the ACT. This colleague has asked you to evaluate the performance of his students. Student scores were as follows: 20, 18, 16, 15, 23, 20. The mean of the ACT scores is: a. 20 b. 19 c. 18 d. 17 2 points QUESTION 241. ______________ assesses the consistency of results across items within a test. a. Face validity b. Experimental design c. Internal reliability d. ANOVA 2 points QUESTION 251. Qualitative research is most often: a. Irrelevant b. Opinionated c. Inductive d. Deductive