Vocabulary Flashcards

1
Q

odds ratio=1

A

equal chance

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2
Q

odds ratio<1

A

exposure protective

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3
Q

odds ratio >1

A

exposure increased risk

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4
Q

info bias

A

missclasification

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5
Q

recall bias

A

skewed data further from events

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6
Q

Response bias

A

question bias/ interview bias

  • stereotyping
  • halo
  • nonverbal
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7
Q

halo bias

A

+ or - overshadow everything

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8
Q

nonverbal bias

A

ex. tattoos piercings

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9
Q

berkson’s bias

A

compare hospital patients to reg. population

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10
Q

hawthorn effect

A

change behavior when watched

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11
Q

length time bias

A

different diseases

slow growing cancers dx sooner

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12
Q

lead time bias

A

screened sooner seems like live longer

same disease

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13
Q

nominal data

A

castegories with no order

use mode only

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14
Q

ordinal

A

categories with order

use median or mode

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15
Q

interval

A

each step same size

mean median or mode

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16
Q

ratio

A

interval data with true zero

17
Q

continuous data

A

age, height, definate numbers

18
Q

categorical data

A

tall, short, old, young

20-30, 5’-5’6”

19
Q

histogram

A

continuous

use if in order

20
Q

bar graph

A

categorical data

no order

21
Q

confidence interval

A

how precise estimate of true value is

22
Q

standard deviation

A

variability of pop around the mean

no change in samploe size

23
Q

standard error

A

variability of estimated mean

24
Q

statistically significant

A

p=.05

25
Q

Type 1 error

A

false positive

26
Q

type 2 error

A

false negative

27
Q

T- test

A

compares 2 groups

28
Q

ANOVA

A

Analysis of variable

2 groups: b/w and within