Week 6- Repeated Measures ANOVA

Question 1

Effect size is a standardised way to tell us how large the effect of our experimental manipulation was. TRUE OR FALSE

Answer 1

TRUE

Question 2

Effect size in ANOVA Is usually partial eta squared.. true or false

Answer 2

true

Question 3

ETA squared 0.01 is a …effect
A) small
B) medium
C) large

Answer 3

A) Small

Question 4

ETA squared 0.06 is a …effect
A) small
B) medium
C) large

Answer 4

B)Medium

Question 5

ETA squared 0.14 is a …effect
A) small
B) medium
C) large

Answer 5

C)large

Question 6

Cohen’d D effect size.. 0.2
A) small
B) medium
C) large

Answer 6

A) small

Question 7

Cohen’d D effect size.. 0.5
A) small
B) medium
C) large

Answer 7

B)medium

Question 8

Cohen’d D effect size.. 0.8
A) small
B) medium
C) large

Answer 8

C)large

Question 9

Bonferroni test Calculates a new alpha by dividing the original alpha (0.05) by the number of tests conducted. TRUE OR FALSE

Answer 9

TRUE

Question 10

TUKEY HSD calculated new critical value (different significant table) TRUE OR FLASE

Answer 10

TRUE

Question 11

LSD stand for ‘least significant difference’. TRUE OR FALSE

Answer 11

TRUE

Question 12

LSD is best..
A)Avoided
B) used

Answer 12

A) avoided

Question 13

Games-Howell test used the.. 
A)unequal variance between groups 
B) equal variance between groups 
C) no variance between groups 
D) No correlation between groups

Answer 13

A)unequal variance between groups

Question 14

3 assumptions to obey in independent anova

Answer 14

interval/ratio
data norm distributed
Sphericity

Question 15

Assumption of sphericity is met when the relationships between experimental conditions is..
A) different 
B) roughly equal 
C) half of each condition 
D) unrelated

Answer 15

B) roughly equal

Question 16

If Mauchly’s test statistic is >.05 we conclude the variances of the differences
A) different 
B) related 
C) unrelated 
D) roughly equal

Answer 16

D) roughly equal

Question 17

If Mauchly’s test statistic is

Answer 17

A) are not equal

Question 18

If sphericity is violated we need to..
A) keep df
B) adjust df
C) remove df
D) n-3

Answer 18

B) adjust df

Question 19

adjusting the df when sphericity is violated allows..

Answer 19

p value associated with the F ratio LARGER

Question 20

what correction test are used .. 
A) Greenhouse-Geisser.
B) Huynh-Feldt.
C)Lower-bound.
D) all of the above

Answer 20

D) all of the above

Question 21

if Mauchly’s test is significant read.. and report (bfs,F, P values) of..

Answer 21

Greenhouse-Geisser.

Question 22

If Mauchly’s test is not significant, report the DFs, F, and p values from the…

Answer 22

Sphericity Assumed’ row.

Question 23

in RM anova the F ratio represents wanted (effect) and unwanted (error) variance WITHIN group of participants.. TRUE OR FALSE

Answer 23

TRUE

Question 24

Calculation of F-4 steps..

Answer 24

1) total variance (sstotal)
2) Calculated within-participant variance (SSw)
3) Calculate the effect variance (SSm)
4) Calculate the error variance (SSr)