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Stats And Reseach Methods > Week 7 > Flashcards

Week 7 Flashcards

1
Q

central tendency

A

mean - average
median - middle value

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2
Q

normal distribution

A

symmetrical around the mean

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3
Q

skewed distribution

A

asymmetrical around the mean

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4
Q

kotosis

A

how pointy/flat a distribution is

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5
Q

postive distribution

A

skewed to the left

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6
Q

negative distribution

A

skewed to the right

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7
Q

dispersion

A

how spread the data is

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8
Q

central distribution

A

interquartile range - removes outliers 25-75%
standard deviation - variation in values

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9
Q

what does knowing how dispersed data is help us interpret?

A

size differences between groups
used when planning research

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10
Q

standard formatting rules

A

mean - M standard deviation - SD
mediam - MDN interquartile range - IQR

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11
Q

descriptive stats don’t allow for inferences

A

shouldn’t discuss differences

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12
Q

variable

A

something that alter and changes can be measured

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13
Q

independent variable

A

variable that is manipulated

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14
Q

dependent variable

A

variable that changes as a result of changes to the IV

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15
Q

extraneous variable

A

any other variable that will effect the DV other than the IV

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16
Q

cofound variables

A

a specific type of EV, acts alongside the IV to alter the DV

17
Q

natural experiment

A

behaviour observed in a natural setting

18
Q

controlled experiment

A

behaviour observed under controlled lab setting

19
Q

participant observation

A

researcher has direct contact with the group being observed

20
Q

non-participant observation

A

researcher has no direct contact “fly on the wall”

21
Q

field experiment

A

conducted in everyday life but the enviromentt and participants are artificially set up

22
Q

strengths of observations

A

high ecological validity
good for forming theories or hypothesis

23
Q

weaknesses of observations

A

low accuracy of behaviours
experimental bias
confirmation bias
less control of variables

Stats And Reseach Methods (11 decks)

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