Symbols for test 3

Question 1

m

Answer 1

sample mean

Question 2

μ

Answer 2

population mean

Question 3

σ

Answer 3

population standard deviation

Question 4

Ho

Answer 4

null hypothesis

Question 5

H1

Answer 5

alternative hypothesis

Question 6

x

Answer 6

observed value

Question 7

E

Answer 7

expected value of x if no true effect

Question 8

σx

Answer 8

standard deviation (or standard error)

Question 9

z

Answer 9

z-score

Question 10

N

Answer 10

population #

Question 11

n

Answer 11

sample #

Question 12

σm

Answer 12

standard error of the mean

or of population sampling distribution

Question 13

p

Answer 13

probability

Question 14

α

Answer 14

significance level

Question 15

p = 1 - β

Answer 15

power

Question 16

cohen’s d

Answer 16

effect size

Question 17

sm

Answer 17

estimated standard error of the mean

Question 18

t

Answer 18

t-test

most appropriate hypothesis testing statistic

Question 19

df

Answer 19

degrees of freedom

Question 20

η^2

Answer 20

estimated eta- squared (effect size)

Question 21

ω^2

Answer 21

estimated omega-squared (effect size)

Question 22

Sp ^2

Answer 22

pooled sample variance

Question 23

Sm1 - Sm2

Answer 23

estimated standard error of the difference between 2 means (when sample sizes are =)

Question 24

Sd

Answer 24

sample standard deviation for difference scores

Question 25

Smd

Answer 25

estimated standard error for the difference scores