Author Question: The independent variable is race/ethnicity (white/nonwhite). The dependent variable is pulse rate. ... (Read 28 times)

Tirant22 · **on:** Jul 8, 2018

The independent variable is race/ethnicity (white/nonwhite). The dependent variable is pulse rate. The appropriate statistical test is a:

A) t-test
B) Mann-Whitney U-test
C) Chi-square test
D) Pearson's r

Question 2

The nature of the research question is closely allied to paradigms. What is the focus of research questions for a quantitative study?

A) Undertaken because some aspect of a phenomenon is poorly understood
B) Developed within a rich and context bound understanding of the problem
C) Initiated to heighten awareness and create a dialogue about a phenomenon
D) Identified major variables in the study and populations under investigation are present.