Chapter 3 Q's

Question 1

Which term refers to the ability to get similar results when something is measured under the same conditions?

Answer 1

Test-retest reliability

Question 2

Scientists find that a protein supplement increases lean mass in the elderly. However, they caution that the results may not apply to other populations, like younger people. What term best describes what the scientists are referring to?

Answer 2

External validity

Question 3

Which term refers to a hypothesis or set of hypotheses for which a large body of high quality evidence has been accumulated?

Answer 3

Theory

Question 4

Which of the following is an example of descriptive research?
Cohort study
Survey
Randomized controlled trial
Meta-analysis

Answer 4

Survey

Question 5

Scientists perform a study looking at the effects of caffeine on vertical jump performance. On one day, they give all the subjects caffeine followed by vertical jump tests. Two weeks later, they give all the subjects a placebo followed by the same vertical jump tests. Which term best describes this study design?
Observational
Factorial
Crossover
Parallel

Answer 5

Crossover

Question 6

Scientists perform a study tracking 10,000 people over a 10-year period. They look at their sugar intake at the beginning of the study and then see who develops diabetes over the study duration. Which term best describes this study?
Survey
Cross-sectional study
Case-control study
Cohort study

Answer 6

Cohort study

Question 7

Which item represents a high quality, non-peer reviewed source of information?
Narrative review
Systematic review
Position stand
Academic textbook

Answer 7

Academic textbook