Experimental Method Flashcards

1
Q

What is an experimental method?

A
  • Manipulating one variable to determine if change effects another variable
  • high levels of control
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2
Q

What is the research aim?

A

A general statement about what the researcher intends to investigate; the purpose of the study.

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3
Q

What is independent variables?

A

-Aspect of a situation is manipulated by research or naturally

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4
Q

What is dependent variable?

A
  • Variable in an experimental situation that is measured

- Should be caused by IV

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5
Q

What is operationalise?

A
  • Precise and clear about what is being manipulated or measure
  • Makes it testable and repeatable
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6
Q

What are the three hypothesis in psychology?]

A
  • Null hypothesis
  • Experimental hypothesis
  • Alternative hypothesis
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7
Q

What is a hypothesis?

A
  • Precise, testable statement

- Predicts expected outcome

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8
Q

What is a null hypothesis?

A

-No effect or relationship between variables being investigated

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9
Q

What is an experimental hypothesis?

A

-In context of an experiment

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10
Q

What is the alternative hypothesis?

A

Any hypothesis that is not the null hypothesis

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11
Q

What can the experiment/alternative hypothesis be referred to?

A

Research hypothesis

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12
Q

Why is it important to state a null hypothesis?

A

-Field (2004) impossible to prove experimental hypothesis possible to disprove null hypothesis

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13
Q

What is a directional hypothesis?

A

States the direction in which the results are expected to go

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14
Q

What is a directional hypothesis also know as?

A

One-tailed hypothesis

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15
Q

What is a non-direcional hypothesis?

A

Does not give a predicted direction in which the results are expected to go

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16
Q

What is the non-directional hypothesis also know was?

A

Two-tailed hypothesis

17
Q

Why would use directional hypothesis?

A

Past research suggests that the findings will go in a particular direction

18
Q

Why would you use a non-directional?

A

No past research or past research in contradictory