selecting subjects quiz Flashcards
(10 cards)
The group of individuals from which researchers actually select participants for research studies is called the ____ population.
accessible
target
representative
real
(accessible)
target
representative
real
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
deduce
(generalize)
specialize
reason
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
representative
random
stratified
(biased)
When a sample has the same characteristics as the target population, the sample is said to be a(n) ____ sample.
representative
biased
target
accessible
(representative)
biased
target
accessible
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
quota
non-quota
probability
(nonprobability)
For situations in which the researcher cannot know the complete list of potential participants, what kind is sampling is necessary?
quota
non-quota
probability
nonprobability
quota
non-quota
probability
(nonprobability)
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
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)
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
simple random
(stratified random)
cluster random
systematic
Which sampling technique is most likely to result in a biased sample?
simple random sampling
convenience sampling
proportionate stratified random sampling
systematic sampling
simple random sampling
(convenience sampling)
proportionate stratified random sampling
systematic sampling
A large sample is generally more representative than a small sample.
True
False
(True)
False
