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Psychology > Research Methods > Flashcards

Research Methods Flashcards

1
Q

What is an aim?

A

the purpose of the investigation

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2
Q

Define hypothesis

A

formulation of a testable statement

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3
Q

what is a directional hypothesis?

A

one tailed, identifying a difference

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4
Q

what is a non directional hypothesis?

A

two-tailed, not identifying a difference

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5
Q

what is the independent variable?

A

you manipulate

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6
Q

what is the dependent variable?

A

the thing that is measured

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7
Q

define operationalization

A

de-fuzzing variables (clearer)

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8
Q

what is independent groups?

A

participants in each condition of an experiment are different

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9
Q

advantage of using independent groups

A

no order effects

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10
Q

list 2 disadvantages of using independent groups

A

less economical

participant variables not controlled

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11
Q

what is repeated measures?

A

all participants take part in all conditions

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12
Q

list 2 advantages of repeated measures

A

no order effects

no issues with participant variables

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13
Q

list 2 disadvantages of using repeated measures

A

order effects

demand characteristics

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14
Q

what is matched pairs?

A

similar participants put in pairs and allocated to different conditions

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15
Q

list 2 disadvantages for matched pairs

A

time consuming

cannot match participants exactly

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16
Q

list 1 advantage for matched pairs

A

no order effects

17
Q

what are extraneous variables?

A

any variable that is not IV that may effect the DV

(nuisance variables)

18
Q

what are confounding variables?

A

any variable not IV that may effect DV

varies systematically with iv

19
Q

what are demand characteristics?

A

PPS second guess the aims and alter their behavior

20
Q

what are investigator effects?

A

unconscious influence of researcher on research situation

21
Q

what is randomization?

A

use of chance to reduce researchers influence

22
Q

what is standardization?

A

ensuring all participants are subject to the same experience

Psychology (7 decks)

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