Quantitative- single-factor design

Question 1

Factor

Answer 1

the independent variable

Question 2

Level

Answer 2

number of “states” of that variable you are testing

Question 3

When do you use t-test for independent groups?

Answer 3

when there are 2 separate groups of participants

Question 4

When do you do a t-test for dependent groups?

Answer 4

when the groups are matched by a level

Question 5

Independent groups, 1 factor

Answer 5

eg. 2 groups of kittens shown either horizontal or vertical stripes

Question 6

Matched groups, 1 factor

Answer 6

eg. sleep deprived vs non-sleep deprived

they are matched on their level of sleep

Question 7

1 factor, nonequivalent groups

Answer 7

eg. are gifted children good at social problem solving compared with average iq kids?
not an experiment
use ttest for independent groups

Question 8

1 factor, within Ss

Answer 8

shift children backwards and then forwards and watch the effect on their balance
you can experience both conditions
use ttest for dependant groups

Question 9

Between-Ss, multilevel designs

Answer 9

effect of caffeine on reaction time

-2 different levels