Which statement is true regarding descriptive studies?

Question 1 options:

a)	Descriptive studies help to determine the efficacy of an intervention.

b)	Descriptive studies use statistics such as mean, median, and standard deviations to describe the results.

c)	Descriptive studies help to establish causation (ie - the treatment causes the outcome).

Question 2 (1 point)

Which is an example of a qualitative study?

Question 2 options:

a)	Phenomenology

b)	Quality improvement

c)	Correlational study

Question 3 (1 point)

Which statement best reflect the concept of critical appraisal?

Question 3 options:

a)	It is careful and systematic examination of research and non-research evidence to determine the strength and quality of the evidence for answering a specific EBP question.

b)	It is a hierarchical system for determining the strength of the evidence.

c)	It is a screening process for determining the relevance of a source of evidence for answering the EBP question.

Question 4 (1 point)

Select the item that best completes the following sentence: Leveling the strength of the evidence is based on.......................

Question 4 options:

a)	the research design of the study.

b)	the statistical methods used in a qualitative study.

c)	the sample size of the study.

Question 5 (1 point)

Which of the following is true regarding descriptive statistics?

Question 5 options:

a)	Descriptive statistics allow the researcher to draw conclusions about the target population based on the sample data collected.

b)	Descriptive statistics include an array of statistics referred to as inferential statistics

c)	Descriptive statistics allow the researcher to describe and summarize the characteristics of the data sampled.

Question 6 (1 point)

Which of the following is an example of nominal level data?

Question 6 options:

a)

Gender

b)	Response choice on a Likert scale (like poor, mediocre, good, great)

c)

Weight

Question 7 (1 point)

Which type of statistic is an example of a measure of central tendency?

Question 7 options:

a)

Mode

b)	Standard deviation

c)

Range

Question 8 (1 point)

Which type of the following statistics provides a measure of variability?

Question 8 options:

a)	Standard deviation

b)

Frequency

c)

Mode

Question 9 (1 point)

The quality of evidence is most dependent on which of the following factors?

Question 9 options:

a)	The validity of the methods used.

b)	The qualifications of the researchers in conducting the study.

c)	The population used to create the study sample.

Question 10 (1 point)

Which of the following terms is used to describe the variable being measured in a research study?

Question 10 options:

	Independent variable
	Dependent variable
	Correlational variable
	Experimental variable

Answer rating: 100% (QA)

1 c Desc ript ive studies help to establish causation ie the treatment causes the outcome Desc ript ive studies help to establish causation by looking ... View the full answer