analyzing experiments with 2 groups

Question 1

between subjects comparison:

Answer 1

contrast between 2 groups that were randomly assigned. in ex post facto research, different individuals classified in different groups

Question 2

within subjects comparison:

Answer 2

contrast between formed of matched pairs, natural pairs, or repeated measures

Question 3

matched pairs:

Answer 3

participants are measured and equated on some variable before the experiment

Question 4

natural pairs:

Answer 4

use naturally occurring pairs (twins, couples, siblings, pairs)

Question 5

repeated measures:

Answer 5

the same participants are tested more than once

Question 6

positive illusions:

Answer 6

people think that they’re better than average

Question 7

paired samples stats has:

Answer 7

2 ratings from each person, not independent groups, but correlated groups using a t-test