Homework Answers
Answer:
44. The correct answer is A. A Confounding variables.
Confounding variables are those extraneous factors that influence the outcome of a research study. It leads to error.
45. The correct answer is B. Ordinal scale.
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44. An extraneous factor in a study that may affect the results is called? A. A...
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Discuss how each of the following concerns may affect the results from a regression: a) Omitted...
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Jason is using the demographic variables of “highest level of educational attainment” (high school graduate, some...
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A kindergarten teacher is interested in investigating differences in the amount of time students spend reading...
A kindergarten teacher is interested in investigating differences in the amount of time students spend reading for 20 min. free-time period based on the average number of days per week parents reports reading to their children. Children were assigned to groups based on Low Parental Reading (1-2 days per week), Medium Parental Reading (3-4 days per week), or Frequent Parental Reading (5-7 days per week). 1. What is the dependent variable in the study? A. Parental reading group assignment -...
22. In which situation would it be inappropriate to use a nonparametric test? a. The sample...
22. In which situation would it be inappropriate to use a nonparametric test? a. The sample size is small and the population distribution might be skewed. b. The dependent variable is scale. c. The dependent variable is nominal. d. The dependent variable is ordinal. 23. A chi-square test for independence is an appropriate statistical test to use when the study has: a. one nominal dependent variable. b. one scale independent variable. c. two nominal dependent variables. d. two scale independent...
1. Researchers study the impact of internalized bias on patient care. Nurses complete a survey which...
1. Researchers study the impact of internalized bias on patient care. Nurses complete a survey which determines a score for their internalized bias from 0-100. Without knowing the internalized bias score, patients are asked to rank the subsequent care they receive from the nurse as poor, fair, good or exemplary. In this study your independent variable is measured at what level of measurement? Ratio Ordinal Nominal Interval 2. A study examines the relationship between interpersonal violence and health in women....
find a solution for 2.2 (1) Number of household members. (g) Height. (h) Field of study...
find a solution for 2.2
(1) Number of household members. (g) Height. (h) Field of study (humanities, social sciences, natural sciences). (i) Number of close friends. Practicing the Basics 2.1. Explain the difference between (a) quantitative and qualitative variables. (b) interval scale and ordinal scale. (c) experiment and survey. 2.2. Identify each variable as categorical or quantitative: (a) Level of education (high school, bachelor's, master's). (b) Number of times married. (c) Hair color. (d) Preferred type of exercise. (e) Type...
A study of 893 senior citizens shows that participants who exercise regularly exhibit less of a...
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22. In which situation would it be inappropriate to use a nonparametric test? a. The sample size is small and the population distribution might be skewed. b. The dependent variable is scale. c. The dependent variable is nominal. d. The dependent variable is ordinal. 23. A chi-square test for independence is an appropriate statistical test to use when the study has: a. one nominal dependent variable. b. one scale independent variable. c. two nominal dependent variables. d. two scale independent...
find a solution for 2.2
(1) Number of household members. (g) Height. (h) Field of study (humanities, social sciences, natural sciences). (i) Number of close friends. Practicing the Basics 2.1. Explain the difference between (a) quantitative and qualitative variables. (b) interval scale and ordinal scale. (c) experiment and survey. 2.2. Identify each variable as categorical or quantitative: (a) Level of education (high school, bachelor's, master's). (b) Number of times married. (c) Hair color. (d) Preferred type of exercise. (e) Type...
A study of 893 senior citizens shows that participants who exercise regularly exhibit less of a decline in the cognitive ability than those who barely exercise at all. From this study, a researcher infers that your cognitive ability increases the more you exercise. What is wrong with this type of reasoning? The inference imply that exercise a person's cognitive ability. The study shows in cognitive ability C The jersey numbers for players on a basketball team are listed below. 5...
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