A researcher designs an experiment with six conditions but each condition takes only a very short amount of time to administer. The researcher has the opportunity, therefore, to administer many trials of each condition in the experiment. Which of the following techniques is likely to be most effective for balancing practice effects?
A. ABBA counterbalancing
B. block randomization
C. stratified randomization
D. all possible orders of conditions
B. block randomization
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General State University recently decided to discontinue its use of the GRE as an admissions tool for its graduate programs because they observed no correlation between GRE scores and subsequent GPAs. Ninety percent of the grades awarded in the graduate programs at General State University are A's. What General State has failed to consider in this situation is the issue of:
a. curvilinear relationships. b. causality. c. the third variable problem. d. restrictive range.
Neurofibrillary tangles, memory loss, and beta-amyloidplaques are most related to ____
a. Huntington's disease c. Parkinson's disease b. epilepsy d. Alzheimer's disease
Political affiliation is to the _____ property of measurement, and length measured in inches is to the _____ property of measurement
a. magnitude; identity b. equal unit size; magnitude c. absolute zero; equal unit size d. identity; absolute zero
A father's contribution to pregnancy and the birth process, in addition to his genes, has recently gained attention in research. Explain what a father can do to contribute to the birth of his child
What will be an ideal response