Return To Hypotheses And Other Things Flashcards

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1
Q

Define confederate

A

An individual in a study who is not a real participant and has been instructed on how to behave by the investigator.

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2
Q

Define directional hypothesis

Example?

A

States the direction of the predicted difference between two conditions / groups.

People who have more than 8 hours sleep perform worse / better in class.

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3
Q

Define non-directional hypothesis

Example?

A

States that there is a difference between two conditions / groups, without stating the direction.

People who have more than 8 hours perform different in class

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4
Q

When to use a directional hypothesis?

A

When past research suggests that the findings will go in a particular direction

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5
Q

When to use a non-directional hypothesis?

A

When there is no past research or if past research is contradictory.

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6
Q

Define pilot study

A

A small scale trial run of a study to test any aspects of the design in order to make improvements.

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