Donald received a poor grade on his last exam.In an attempt to improve his performance on the next exam, he has started to use a different note-taking method, he has enrolled in a study skills class, and he has moved to a seat that is closer to the front of the class.If Donald's score goes up on the next exam, it will be hard for him to figure out why because:
A) he failed to use a double-blind procedure
B) the three actions he took to raise his grade are confounded with each other
C) none of the actions he took is generally related to grades in school
D) he doesn't have a research hypothesis
Correct Answer:
Verified
Q203: Random assignment:
A)eliminates differences among people
B)ensures research participants
Q204: Random assignment to either the control or
Q205: Jennifer wants to design a good experiment
Q206: Which type of study would control for
Q207: If a placebo is used, researchers assume
Q209: The main advantage of a single-blind research
Q210: An inactive or inert substance that appears
Q211: An experiment that does not allow for
Q212: A placebo is:
A)an active drug that is
Q213: Fred's advisor noticed that he had not
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