A sports dietician wanted to test the impact of four different dietary supplements (‘Placebo’, ‘Vitamin X’, ‘Vitamin Z’ and ‘Kale’) on a team of thirty randomly selected elite athletes. She wanted to compare the impact of each supplement on each athlete’s individual performance scores and across the team, as well as any interaction effects.
What sort of test design best suits this study?
A. Independent factorial design
B. ANOVA
C. Repeated-measures factorial design
D. Multiple linear regression.
Answer: A
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Jan was just hired as school district superintendent, and her duties are many and varied. Which of the following duties is likely to be the most relevant to her ability to keep her job?
a. ensuring compliance with state and federal directives b. informing and advising the school board on policy matters c. evaluating curriculum d. supervising professional and nonteaching school personnel
‘Reducing the advertising budget will reduce short-term sales performance’. State the direction of this hypothesis.
A. Directional B. Non-directional C. Both D. Not enough information given.
To earn national accreditation, outstanding teachers can apply to which of the following?
a. National School Teachers Association b. Outstanding Teachers of America c. National Education Association d. National Board for Professional Teaching Standards
A student who needs support only occasionally would relate to which level of intellectual disability?
a. Intermittent b. Limited c. Extensive d. Pervasive