RM - Return to hypotheses and other things

Question 1

What is a confederate?

Answer 1

An individual in a study who is not a real participant and has been instructed how to behave by the investigator.

For example; the person who has to dress differently in the testing obedience experiments. (An actor essentially).

Question 2

What is a directional hypothesis?

Answer 2

States the direction of the predicted difference between the two conditions or two groups of participants.

Question 3

What is a non-directional hypothesis?

Answer 3

Predicts that there is a difference between two conditions without stating the direction of the difference.

Question 4

What is a pilot study?

Answer 4

A small scale trial run of a study to test any aspects of the procedure, with a view to making improvements.

Question 5

Why is a pilot study done?

Answer 5

To find out if certain aspects of the design do or don’t work.