1) Aims and hypothesis key terms Flashcards

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1
Q

What is an aim?

A

A general expression of what the research intends to investigate

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2
Q

What is an independent variable?

A

The variable you change / manipulate

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3
Q

What is a dependant variable?

A

The variable you measure

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4
Q

What is an extraneous variable

A

Another variable involved that may affect the DV that isn’t the IV

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5
Q

What is a hypothesis

A

A precise, testable statement of what the researchers predict will be the outcome of the study
(E.g. instructions… do this)

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6
Q

What is meant by operationalisation?

A

Refers to the process of defining variables in practical, specific terms that allow them to be measured or manipulated in a research study

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7
Q

What is a null hypothesis?

A

Predicts no difference or no relationship between groups / conditions
Predicts that any relationship or difference will be due to change

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8
Q

What is an alternative hypothesis?

A

Predicts a relationship or difference between groups / conditions

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9
Q

What is a directional hypothesis?
(One tailed)

A

Predicts a difference or a relationship between conditions and states the direction of the difference / relationship
(E.g. which group will perform better)

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10
Q

What is a non-directional hypothesis?

A

Predicts a difference or relationship between groups / conditions but doesn’t state the direction of the difference / relationship
(E.g. there will be a correlation or difference)

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