Chapter 8 Quiz

Question 1

Standard deviation measures how much variability there is from the
A) Hypothesis
B) Mode
C) Median
D) Mean

Answer 1

D) Mean

Question 2

The two main types of research design are
A) Descriptive and analytical
B) Cross-sectional and experimental
C) Longitudinal and vertical
D) Retrospective and prospective

Answer 2

A) Descriptive and analytical

Question 3

An issue that increases background variability and makes it more difficult to draw accurate conclusions from a study is called a 
A) Complicating variable
B) Nuisance variable
C) Confounding variable
D) Random variable

Answer 3

B) Nuisance variable

Question 4

The inclusion or exclusion criteria of a study should be provided in the \_\_\_\_\_ section of a scientific manuscript
A) Results
B) Introduction
C) Methods
D) Discussion

Answer 4

C) Methods

Question 5

When the paramedic obtains informed consent from an authorized surrogate, this is know as
A) Consent by proxy
B) Stepped consent
C) Distant consent
D) Cohort consent

Answer 5

A) Consent by proxy

Question 6

The National EMS Research Agenda was published in
A) 1995
B) 2012
C) 1985
D) 2001

Answer 6

D) 2001

Question 7

What is the next step in a research project after the data are analyzed
A) Conduct follow-up studies
B) Present the material to professional associations
C) Publish in a professional journal
D) Determine the optimal course of action from the results

Answer 7

D) Determine the optimal course of action from the results

Question 8

To perform an inferential statistics analysis, a researcher must first state
A) The confidence interval
B) A null hypothesis
C) The level of significance
D) The standard deviation

Answer 8

B) A null hypothesis

Question 9

Which of the following is accurate regarding correlation and causation?
A) To prove correlation, the variables must be properly controlled and measured using statistically valid methods
B) A connection or association between two or more variables is known as causation
C) Causation can be in a positive or negative direction
D) It is more difficult to prove causation than correlation

Answer 9

D) It is more difficult to prove causation than correlation

Question 10

In a 2010 survey by the National Registry of Emergency Medical Technicians, what percentage of respondents said it is acceptable to use community consultation and public disclosure in lieu of informed consent?
A) 36%
B) 24%
C) 77%
D) 52%

Answer 10

A) 36%