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Comps > ANOVA > Flashcards

ANOVA Flashcards

1
Q

ANOVA

A

assessing stat evidence btween 3 or more group means

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2
Q

t tests

A

assessing stat evidence between 2 or less group means

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3
Q

CR-p

A

one-way anova. 1 IV- Dv can be multiple

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4
Q

CRF-pq

A

two-way anova. 2 IV’s. determining interaction

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5
Q

fixed effects model

A

all tx levels included

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6
Q

random effects model

A

only p level of models included

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7
Q

Type 1 error

A

null hypothesis is true and rejected

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8
Q

type 2 error

A

a false hypothesis is not rejected

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9
Q

Increased type 1 error

A

decreased type 2 error and power

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10
Q

increased type 2 error

A

decreased type 1 error, increased power

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11
Q

f stat

A

variability between groups/variability w/in groups

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12
Q

mean 1 = mean 2

A

null

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13
Q

mean 1 does not equal mean 2

A

alternate hypothesis

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14
Q

F stat apa form

A

F(df1,df2)=fstat, P< 0.05

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15
Q

between group effects

A

effects between tx groups have no commonality

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16
Q

trend analysis

A

ordering (ordinal)

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17
Q

regression

A

continious IV and DV

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18
Q

pairwise

A

includes all group means

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19
Q

nonpairwise

A

2 or more, but not all group means

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20
Q

orthogonal

A

product of all coefficients = 0

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21
Q

RM

A

one within. subject recieves all tx levels

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22
Q

subject by treatment

A

order of tx levels is random

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23
Q

subject by trial

A

same order of tx levels

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24
Q

effect size

A

standarized diff of means across groups

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25
Q

CRF-pq

A

subjects in 1 level of 1st factor & one level of another

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26
Q

IV -surface (grass, clay) IV2-stroke (backhand, forehand)

A

two-between

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27
Q

No interaction in two-between

A

Main effects

28
Q

fixed effects hyptoth

A

means across all levels of A are =, disregarding B

29
Q

Significant interaction

A

Simple main effects

30
Q

simple main effects

A

looks at one factor with levels of another Use pairwise comarisons

31
Q

FMF

A

two within. each person will have all levels of tx’s

32
Q

SPF

A

1 btwn 1 within, recieve one level of between and all levels of within

33
Q

Post Hoc SPF

A

only for between effects

34
Q

ANCOVA

A

analyze effet of IV on DV when controlling for a continous variable

35
Q

Correlation increases

A

power

36
Q

Which variables are continous in ANCOVA?

A

DV & cov

37
Q

covariable is reasonably correlated with

A

DV

38
Q

Effects of training on problem solving when controlling for thinking skills?

A

covariate

39
Q

ANCOVA pros

A

decrease error due to covariate, decrease variability that cannot be controlled

40
Q

Bonferroni confidence itnerval adjustment

A

controls for type 1 error

41
Q

CRF Assumptions

A

no outliers, homogenity of variance, indepence, normality

42
Q

outlier z-score

A

remove greater than 2.5

43
Q

levene’s

A

homogeneity of variance

44
Q

violation of homo

A

welch’s

45
Q

shapiro wilkes

A

normality

46
Q

kruskall wallis

A

correction for violation of normality & homo

47
Q

Kruskall-wallis APA stat

A

X^2(DF)= stat, p <0.05

48
Q

Post Hoc Tests with no violatino

A

LSD, Tukey, Tukey-Kramer, Gabriel, hochbergs, sidak, bonferroni, scheffee, dunnett

49
Q

Post Hoc Tests with violation

A

Games-Howell, Dunnet’s C, Dunnet’s T3

50
Q

Greater power, greater type 1 error

A

liberal post hoc tests

51
Q

RM & RMF assumptions

A

independece, normal distribution, homogeneity of variance, sphericity

52
Q

sphericity

A

homo. of variance w/in groups

53
Q

Machley’s

A

test of sphericity

54
Q

P > 0.05 assumptions are good

A

levene’s, shapiro wilkes, mauchley’s

55
Q

WHen to use Greenhouse Geiser

A

if GG is < 0.75

56
Q

Hyn Feldt

A

if GG is > 0.75

57
Q

Contrasts

A

polynomial, difference, simple, deviation, helmert, repeated

58
Q

CRF-pq assumptions

A

homo, normality w/ tx combo, independence, equal SS, sign interaction, tx’s are fixed or random

59
Q

SPF assumptions

A

indenpendent, normal, homo of variance in tx a, sphercity holds, no interaction btwn tx groups & block (btwn factor)

60
Q

ANCOVA assumptions

A

indepedence, Tx normal, Tx homogenous, x1 and y1 should be related, but not interacted, w/in group regress coefficients are equal, coviariance is w/o error, no interaction between tx & cov

61
Q

are scores different across different subjucts?

A

CR-p

62
Q

do scores of 1 subject differt between people?

A

RM

63
Q

what are the effects of paper or electronic test scores when taking math, science or english?

A

CRF-pq

64
Q

each person will take all tests in each format

A

RMF

65
Q

Effects of paper or electronic testing while taking 3 different subjects?

A

SPF

Comps (5 decks)

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