Identify the independent variable in the following hypothesis: “Adults in an overweight group will have lower health responsibility scores compared to those in a normal weight group.” A. health responsibility B. adults C. overweight group versus normal weight group D. none of the above ESSAYBID ANSWER C
As a nurse, you rate a patient’s pain on a scale from severe to low. This results in which type of scale? A. interval B. ratio C. ordinal D. nominal ESSAYBID ANSWER ANS: C
All members of a population have an equal chance of being selected as subjects in a research project. This is called: A. randomization. B. random assignment. C. random sample. D. random quota. ESSAYBID ANSWER ANS: C
Which of the following is not an assumption underlying testing and measurement? A. Various approaches to measuring aspects of the same thing can be useful. B. Error is rarely present in the measurement process. C. Present day behavior predicts future behavior. D. Testing and assessment benefit society. ESSAYBID ANSWER ANS: B
When p < 0.05 is reported in a journal article, it means the author has rejected the null hypothesis (assuming the author is using a significance level of 0.05). Indicate whether the statement is true or false. ESSAYBID ANSWER ANS: T
Cronbach’s alpha is used to determine which of the following instrument attributes? A. stability B. internal consistency C. construct validity D. sensitivity ESSAYBID ANSWER ANS: B
You decide to select a sample of 100 subjects of whom 10% will be African American, 10% Hispanic, and 80% white. Identify the appropriate sampling design. A. simple random sampling B. cluster sampling C. systematic sampling D. quota sampling ESSAYBID ANSWER ANS: D
You put all the names of the students in a class into a jar, mix them up, and draw out names of your subject. Identify the appropriate sampling design. A. simple random sampling B. cluster sampling C. systematic sampling D. quota sampling ESSAYBID ANSWER ANS: A
The selection of a sample for a research study affects the study’s: A. replicability. B. interaction effects. C. internal validity. D. external validity. ESSAYBID ANSWER ANS: D
Which of the following techniques yield a simple random sample? A. choosing volunteers from an introductory nursing class to participate B. listing individuals by ethnic group and choosing a proportion from within each group at random C. numbering all elements of a sampling frame and using a random number table to pick individuals D. randomly […]