Return to hypotheses and other things???

Question 1

What is a confederate?

Answer 1

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

Question 2

Directional and non-directional hypothesis?

Answer 2

Directional - states direction of predicted difference
Non - predicts a difference, no statement of expected direction

Question 3

Is a directional hypothesis one-tailed or two-tailed?

Answer 3

One-tailed

Question 4

Is a non-directional hypothesis one-tailed or two-tailed?

Answer 4

Two-tailed.

Question 5

What is a pilot study?

Answer 5

A small-scale trial run of study to test any aspects of the design, with a view to making improvements (the results mean nothing).

Question 6

List elements/factors that pilot studies may test for.

Answer 6

If the research design is feasible/practical
If data collection method is appropriate
If Ps are able to understand and follow instructions
Test validity and reliability
(Data analysis techniques)
Any unexpected problems

Question 7

What is the long-term benefit of using pilot studies?

Answer 7

Save money and time because full-scale experiments are less likely to be cancelled or deemed invalid.