types of hypothesis

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7 Terms

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null hypothesis definition:

predicts that a statistically significant effect or relationship will not be found

2
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non-directional hypothesis definition:

states that there is a difference between conditions but the difference or direction is not specified

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directional hypothesis

states the difference that is expected between the two conditions

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what type of hypothesis: drinking energy drinks will have no significant effect on the score in a maths test

null hypothesis

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what type of hypothesis: drinking energy drinks will have a significant effect on maths test scores

non-directional hypothesis

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what type of hypothesis: drinking energy drinks will have a significant increase on the scores in a maths test

directional hypothesis

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under what conditions can a directional hypothesis be written?

when there is previous research providing or suggesting a direction for the results