Professor Matthews is carrying out a within-subjects experiment ...

[HudsonKB16]

Professor Matthews is carrying out a within-subjects experiment where she is administering to her participants a list of words to memorize and, in the second condition, after a 10mg dose of caffeine, she administers the same list of words to memorize
 
  . She is worried that the sequence of the words on the list might interfere with her ability to interpret whether or not caffeine affects one's ability to memorize. Based on this description, it appears that Professor Matthews is concerned about a potential __________ in her research design.
 
   a. order effect
   b. independent variable
   c. interrupted time-series
   d. placebo effect

Question 2

If a hypothesis states that, based on a self-report questionnaire, there is a strong, positive relationship between the amount of time spent studying for college exams.
 
  And the grades received on the exams, the relevant research design is probably a(n)
 
   a. experiment.
   b. quasi-experiment.
   c. correlational study.
   d. case study.

[covalentbond]

Answer to Question 1

a

Answer to Question 2

c