An important advantage of stratified sampling is that
a) Subgroups of the population are represented
b) Fewer subjects need to be selected
c) The sampling can be purposeful
d) Not every subject in the population needs to be numbered
A
You might also like to view...
An investigator began with a precise and logical hypothesis. He ran a well-planned and well-conducted experiment to test the deduced consequences of this hypothesis. No evidence was found to support the hypothesis. The investigator should report that
a. his study was a failure. b. the hypothesis was proved false. c. the hypothesis is probably true but experimental conditions did not permit the effect to be observed. d. None of these is true.
The Functional Assessment Observation Form indicates
a. The number of events of problem behavior b. The problem behaviors that occur together c. The times when problem behavior events are most and least likely to occur d. Events that predict problem behavior e. All of the above
Which is the best example of an appropriate accommodation for a high school average ability student with a hearing disability in assessing reading with a written test?
a. repeating the directions verbally b. speaking louder c. providing written directions d. giving the test exactly as specified
What are the three factors supporting early intervention for students with speech and language disorders?
What will be an ideal response?