Types of Experiment Flashcards

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1
Q

What are labatory experiments?

A

experiments conducted in highly controlled environments

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2
Q

Strengths of labatory experiments

A

control over extraneous and confounding variables (more confident that its the IV causing the effect on DV, so higher validity), can replicate to check consistency (reliable)

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3
Q

Weaknesses of labatory experiments

A

behaviour may unnatrual, low ecological validity, ps know they are being tested leading to increased demand charteristics

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4
Q

What are field experiments?

A

environment is familiar to the participant

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5
Q

Strengths of field experiments

A

produce behaviour that is more valid and authentic, high external validity

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6
Q

Weaknesses of field experiments

A

less control over confounding and extraneous variables, some types of research might constitue an invasion of privacy

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7
Q

What is a natural experiment

A

An experiment where the change in the IV is not brought about by the researcher but would have happened even if the researcher had not been there. The event is already occuring, e.g where a participant lives

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8
Q

Strengths of natural experiments

A

provides opportunities for research that may not have otherwise taken place, high external validity, high ecological validity

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9
Q

Weaknesses of natural experiments

A

lack of control over extraneous variables (low validity), can’t ethically replicate to check reliability, so may be indiscovered anomalies

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10
Q

What is a quasi-experiment?

A

it’s not possible for the experiment to manipulate the IV (it’s fixed e.g if someone was left handed). Internal variable e.g autism

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11
Q

Strengths of quasi experiments

A

provides opportunities for research that may not have otherwise taken place, high external validity, high ecological validity

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12
Q

Weaknesses of quasi experiments

A

lack of control over extraneous variables (low validity), can’t ethically replicate to check reliability, so may be indiscovered anomalies

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