Key words (Order effects etc)

Question 1

Define order effects

Answer 1

• The order of the conditions can have an effect on the ppts behaviour.

Question 2

Define practice effect

Answer 2

• Performance in second condition is better because ppts know what to do.

Question 3

Define fatigue effect

Answer 3

• Performance might be worse in the second condition because they are tired (i.e. fatigue effects).

Question 4

Define counterbalancing

Answer 4

• Used to overcome order effects (A,B/B,A).

Question 5

Define internal validity

Answer 5

• The extent to which a test/ theory tests or explains what it intends to.

Question 6

Define external validity

Answer 6

• The extent to which findings/ conclusions can be generalised.