Tricky Topics Flashcards

1
Q

Cramers Φ

A

chi-squared test for independence with 2x2

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2
Q

Cramers V

A

chi-squared test for independence with more than 2x2

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3
Q

Cohens w

A

chi-squared goodness of fit

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4
Q

Cohens d

A
  • effect size calculation
  • looks at the difference between 2 group means
  • takes into account variability by using pooled samples SD
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5
Q

conceptual hypothesis

A

the general idea of the hypothesis

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6
Q

research hypothesis

A

operationalizes conceptual hypothesis

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7
Q

statistical hypothesis

A

whether selected parameters of the population are equal or different

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8
Q

semi-partial correlation

A

a measurement of the correlation between 2 variables that remain after controlling for the effects of 1 or more predictor variables

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9
Q

r^2

A

r= correlation coefficient

squaring indicates the proportion of the invariance

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10
Q

eta squared

A

the proportion of total variability of DV that is accounted for by the IV

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11
Q

face validity

A

are measures valid of the face level

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12
Q

construct validity

A

does measure tap into the theoretical concept it is supposed to measure

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13
Q

criterion validity

A

does measure correlate well with other measures of the same behavior

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14
Q

content validity

A

the degree to which it measures all levels of the construct

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15
Q

percent of subjects in 3 SD

A

99.7%

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16
Q

percent of subjects in 2 SD

17
Q

percent of subjects in 1 SD

18
Q

for 99% confidence interval z=___

19
Q

for a 99% confidence interval, tails cut off at

A

tails cut off at 0.005

20
Q

for 95% confidence interval z=—

21
Q

for a 95% confidence interval, tails cut off at

22
Q

z score is the

A

number of SD away from the mean

23
Q

tents of science

A
Determinism
Empiricism
Replicability
Falsifiability
Parsimony
24
Q

objectives of science

A

Describe
Predict
Explain
Control

25
ways to minimize extraneous variables
eliminate constancy repeated measure randomization
26
nominal example
gender
27
ordinal example
university rankings
28
ratio example
Income
29
Interval example
temperature