After obtaining an interesting result in an experiment on solving ...

[Lisaclaire]

After obtaining an interesting result in an experiment on solving insight problems, an experimenter repeats the experiment three more times using different types of insight problems. This is an example of
 
  a. direct replication.
  b. systematic replication.
  c. mapping.
  d. functional fixedness.

Question 2

Recording how many hours a week your roommate spends studying involves using the ____ method, while simply recording whether or not your roommate studies in a week involves using the ____ method.
 
  a. interval; frequency
  b. duration; interval
  c. frequency; duration
  d. interval; duration

[nothere]

Answer to Question 1

B

Answer to Question 2

b

[Lisaclaire]

Thanks for the timely response, appreciate it

[xiazhe]

Excellent