Selecting Participants Quiz

Question 1

1.The group of individuals from which researchers actually select participants for research studies is called the ____________ population.
​Accessible
​Target
​Representative
​Real

Answer 1

Accessible

Question 2

2.A major goal of research is to ____________ from a small group of participants included in a study to the larger group from which they came.
​Deduce
​Generalize
​Specialize
​Reason

Answer 2

Generalize

Question 3

3.If the individuals in a sample have characteristics that are noticeably different from the individuals in the population, then the sample is said to be _____________.
​Representative
​Random
​Stratified
​Biased

Answer 3

Biased

Question 4

4.When a sample has the same characteristics as the target population, the sample is said to be a(n) _______________ sample.
​Representative
​Biased
​Target
​Accessible

Answer 4

Representative

Question 5

5.A researcher recruits participants for an experiment by posting an announcement in the psychology department asking for volunteers. What kind of sampling is being used?
​Quota
​Non-quota
​Probability
​Nonprobability

Answer 5

Nonprobability

Question 6

6.For situations in which the researcher cannot know the complete list of potential participants, what kind of sampling is necessary?
​Quota
​Non-quota
​Probability
​Nonprobability

Answer 6

Nonprobability

Question 7

7.The major advantage of a simple random sample is that it ensures that _______________.
​There will be enough participants in each subset to be able to make statistical decisions
​
No single group is over-represented in the sample
​
The sample will provide an accurate representation of the population
​
The selection procedure is unbiased although its outcome may be biased

Answer 7

The selection procedure is unbiased although its outcome may be biased

Question 8

8.A researcher would like to describe and compare the attitudes of four different ethnic groups of students at a local state college. To obtain participants for the study while ensuring sufficient numbers of participants from each of the ethnic groups, the researcher should probably use _____________ sampling.
​Simple random
​Stratified random
​Cluster random
​Systematic

Answer 8

​Stratified random

Question 9

9.Which sampling technique is most likely to result in a biased sample?
​Simple random sampling
​Convenience sampling
​Proportionate stratified random sampling
​Systematic sampling

Answer 9

​Convenience sampling

Question 10

10.A large sample is generally more representative than a small sample.
​True
​False

Answer 10

True