Answer s: a. Oral antiglycemic medications b. Blood sugar c. Hgb A1C d. Meditation Respons e Feedback : An independent variable is a stimulus or activity that is manipulated or varied by the researcher to create an effect on the dependent variable. The independent variable is also called an intervention, treatment, or experimental variable. In this example, nausea and vomiting are dependent variables and guided imagery and relaxation techniques are independent variables. Question 13 Which of the following is a properly stated research hypothesis? Answer s: a. There is no relationship between children’s homelessness and length of hospital stay, verbal skills, and fear of separation from parents. b. If a child is homeless, that child is likely to have poor verbal skills, more difficulty separating from parents, and a longer
hospital stay. c. Homelessness in children is associated with length of hospital stay, verbal skills, and fear of separation from parents. Response Feedback : A hypothesis is a formal statement of the expected relationship or relationships between two or more variables in a specified population. The hypothesis translates the problem and purpose into a clear explanation or prediction of the expected results or outcomes of the study. A hypothesis (1) specifies the variables the researcher will manipulate or measure, (2) identifies the population the researcher will examine, (3) indicates the type of research, and (4) directs the conduct of the study. Hypotheses are described using the terms in the following four categories: (1) associative versus causal, (2) simple versus complex, (3) directional versus nondirectional, and (4) null versus research. Question 14 Which of the following sources would not be an appropriate source to include in a literature review for a research proposal? Answer s: a. scholarly paper presented at a professional conference b. research study published in an online journal c. A Website developed by a governmental agency d. a blog post on vaccination side effects retrieved from Response Feedback: Blog posts would not be considered appropriate sources for research proposal development. Question 15 In the following purpose statement, what kind of variable is number of days absent from class ? The purpose of this study was to examine the effects of a generous weekly allowance and twice-weekly text messages from parents on number of days absent from class, in freshman college students. Answer a.
s: Dependent variable b. Independent variable c. Extraneous variable Respons e Feedbac k: A dependent variable is the response behavior, or outcome that the researcher wants to predict or explain. In this example, number of days absent from class is the dependent variable. An independent variable is a stimulus or activity that is manipulated or varied by the researcher to create an effect on the dependent variable. The independent variable is also called an intervention, treatment, or experimental variable. Demographic variables
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- Fall '16
- Denise Cauble
- Nursing, Null hypothesis, researcher