Question 31
Which refers to consistency in the measurement process?
Answer
Validity
Specificity
Sensitivity
Reliability
Question 32
Which method of self-reported data has the lowest response rate?
Answer
Telephone interview
Written questionnaire
Face-to-face interview
Indirect observation
Question 33
The nonprobability sampling procedure that includes participants identified by investigators, and any other persons referred by those participants, is called a:
Answer
Quota sample
Convenience sample
Snowball sample
Judgmental sample
Question 34
A measure is valid if it correctly measures the items under investigation.
Answer
True
False .
Question 35
The reliability of an instrument is far more important than its validity.
Answer
True
False .
Question 36
The purpose of using a pilot test is to identify and correct any problems prior to implementation.
Answer
True
False .
Question 37
Samples that provide an equal chance for all people in a population to be selected are:
Answer
Probability samples
Non-probability samples
Reliability samples
Self-reporting
Question 38
What type of sampling approach must be used to determine causation?
Answer
A) Snowball
B) Convenience
C) Probability
D) Random
E) Both C and D
Question 39
Probability samples are samples in which everyone in the population did not have an equal chance of being selected.
Answer
True
False .
Question 40
Based on a one group pre-post evaluation design of an asthma intervention program, it was determined that 50% of participants experienced a decrease in visits to the emergency room. The investigators could conclude that the decrease in ER visits was attributable to the intervention.
Answer
True
False .
Question 41
Select the correct pair of words to fill in the blanks in this sentence:
The goal of ____________ is social accounting and program or policy decision making, while the goal of _______________ is to generate new knowledge for prediction.
Answer
evaluation; research
evaluation; needs assessment
planning; needs assessment
research; reliability
Question 42
Which of the following contributes to the difficulty in finding any impact from a program intervention?
Answer
A0 Having a weak or ineffective intervention
B) Having measures with low validity
C) Having measures with low reliability
D) Having low coverage
A, B, and C above
