Research Methods Flashcards

(12 cards)

1
Q

What is a directional hypothesis?

A

When the hypothesis predicts which way the results will go (one tailed)

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2
Q

When is a directional hypothesis used and what are some key words which indicate direction?

A
  • used when there is previous research which suggests a particular outcome
  • uses words like positive/ negative correlation, less than, more than
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3
Q

What is a non-directional hypothesis?

A

When the hypothesis predicts that there will be an effect but no not what it is (two tailed)

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4
Q

When is a non-directional hypothesis used and what are some key words which indicate it it non-directional?

A
  • when there is no previous research that has been done or research findings are contradictory
  • uses words like relationship, correlation, difference
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5
Q

What is a null hypothesis?

A

Hypothesis that predicts no difference or any difference is due to chance

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6
Q

What does operationalised mean?

A

It should be clear exactly how you are measuring variables

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7
Q

What is a lab experiment’s setting? What is the ability to manipulate the IV in a lab experiment?

A
  • controlled environment e.g. lab or classroom
  • Researcher can ensure any effect on the DV so manipulation of IV by researcher is easy and highly controlled
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8
Q

what is an aim?

A

the general purpose/ goal of the investigation

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9
Q

Independent Variable

A

The variable that is manipulated or categorised to observe its effect on the dependent variable.

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10
Q

Dependent Variable

A

The variable that is measured to assess the effect of the independent variable.​

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11
Q

Extraneous Variable

A

Variables other than the IV that may affect the DV if not controlled

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12
Q
A
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