"Half of a group of third graders was shown a film on "sharing," while the other half was not shown the
film. The attitudes of the students in both groups toward sharing candy was then measured, and their
average scores were compared.
What is the independent variable?
what is the dependent variable?
What is the constant? - Answers The Independent Variable: "Film on Sharing"
The Dependent Variable: "Attitudes of the Students"
The Constant: "Third Graders"
A graduate student enrolled in the Marriage and Family Counseling Program at Daytona University is
interested in determining how other graduate students feel about the program. He interviews all of the
students he has access to on a given Monday night when he takes of his counseling courses. Identify the
type of sampling being used.
A. Simple Random
B. Convenience
C. Purposive
D. Cluster
E. None of the above - Answers B.Convenience
A researcher is interested in identifying the attitudes of physicians who work for Keyser Hospital toward
the Republican plan for health care. She obtains a list of all the Keyser Medical Centers in Southern
California and randomly selects 10 of these Centers. Then she obtains a list of all the physicians at these
Centers and randomly selects 8 physicians from each Center to interview. Identify the type of sampling
being used.
A. Simple Random
B. Stratified Random
C. Two-Stage Random
D. Cluster
E. None of the above - Answers C. Two-Stage Random
, To measure the degree to which a person appreciates music. A valid measure or observation strategy
would be:
A. # visitors to a music store
B. $ spent on music CD's or concert tickets
C. # social media posts about a particular musician
D. All of the above - Answers D. All of the above
A college professor is interested in evaluating her end-of-semester course evaluations that are
completed by her students. The instrument consists of 20 five-point rating scale items, She obtains an
average score for each student on the first 10 items and also an average score for each students on the
second 10 items. She then graphs the items on a scatterplot. What type of reliability is the researcher
interested in?
A. Internal Consistency
B. Test-Test Reliability
C. Equivalent forms Reliability
D. None of the above - Answers A. Internal Consistency
Statements or predictions that are tested by collecting and analyzing objective evidence are called:
A. Assumptions
B. Indicators
C. Hypotheses
D. Premises - Answers C. Hypotheses
Generalizing research findings from a sample to the population is most likely to be justifiable when:
A. A small systematic sample is used
B. Cluster sampling is used in a large, heterogeneous population
C. The null hypothesis is confirmed, regardless of the sampling procedures used
D. A large random sample is used - Answers D. A large random sample is used
In which of the following would one be most likely to find a professional evaluation of a particular
commercial standardized test?
A. Journal of Educational Measurements