Which of These Is Not an Advantage of Using a Stratified

question 63

Multiple Choice

Which of these is not an advantage of using a stratified sample instead of a simple random sample?

• A) the stratified sample reduces bias
• B) the stratified sample eliminates the need for randomization
• C) the stratified sample reduces sample to sample variability
• D) the stratified random sample allows you to get information about each stratum
• E) the stratified sample allows you to get more reliable estimates using the same sample size

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Definitions:

Reinforcers

Stimuli that, when presented after a behavior, increase the likelihood of that behavior being repeated.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention until it is paired with an unconditioned stimulus.

Biologically Significant

Pertaining to factors or impact of considerable importance for biological processes or survival.

Successive Approximations

A technique in behavior therapy and training that rewards behaviors that progressively get closer to the desired behavior.