Complete Answers.
What is the difference between a hypothesis and a research problem?
a. There is no difference between a research problem and a hypothesis.
b. A hypothesis is theory based, and a research question is practice based.
c. A hypothesis attempts to answer the question posed by the research problem.
d. A research problem defines clinical research, and a hypothesis defines bench research. -
Answer c. A hypothesis attempts to answer the question posed by the research problem.
How is a hypothesis related to a theory?
a. A hypothesis can determine the validity of a theory.
b. A hypothesis can be used to evaluate the merit of a theory.
c. A theory can determine the validity of a hypothesis.
d. A theory can be used to evaluate the merit of a hypothesis. - Answer b. A hypothesis can be
used to evaluate the merit of a theory.
Which of the following statements represents a potential area of research?
a. "Most of our admissions occur at night."
b. "It is difficult to find personnel willing to work the night shift."
c. "It seems that most of the patient falls on our unit occur during the night shift."
d. "The night shift personnel are not attending promptly to the needs of our patient." - Answer
c. "It seems that most of the patient falls on our unit occur during the night shift."
When an idea or a clinical situation has emerged as a potential research problem, what is the
next appropriate step?
a. Identifying the variables
b. Formulating a hypothesis
c. Performing a literature review
d. Validating that the problem really exists - Answer c. Performing a literature review
In a research study, what are the properties of interest that take on different values and are
, d. Assumptions - Answer a. Variables
Which of the following identified research problems has enough significance to warrant further
development?
a. Children between 8 and 12 years do not eat the broccoli in their school lunches.
b. Women above 100 years old are at moderate risk for development of breast cancer.
c. Obese adults are at risk for development of type 2 diabetes mellitus.
d. The rate of sunscreen use among middle aged people is greater than 80%. - Answer c.
Obese adults are at risk for development of type 2 diabetes mellitus.
The initial review of the literature helps the investigator:
a. organize the summary.
b. identify statistical tests.
c. identify the need to extend knowledge base.
d. determine the scope of the study. - Answer c. identify the need to extend knowledge base.
Which of the following factors or considerations constitutes the feasibility of a research study?
a. Availability of the participants
b. Direction of the hypotheses
c. Gaps in the literature
d. Design of the study - Answer a. Availability of the participants
What is the key difference between independent and dependent variables?
a. The dependent variable should change in response to manipulation of the independent
variable.
b. The independent variable should change in response to manipulation of the dependent
variable.
c. Although both the dependent and independent variables are manipulated, only the
dependent variable is considered an intervention.
d. The dependent variable relies on personal or demographic variables for strength, whereas
the independent variable is strong enough to stand alone. - Answer a. The dependent variable
should change in response to manipulation of the independent variable.