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Learner Resource 22Examples of correlation hypotheses

Each row has a set of hypotheses for a research question. Label which hypothesis is the: Null hypothesis, an alternate hypotheses, or not correct for correlation

There will be a significant positive correlation between the amount of caffeine consumed in a week and heart rate scores.

There will be a significant correlation between the amount of caffeine consumed in a week and heart rate scores.

There will be no significant correlation between the amount of caffeine consumed in a week and heart rate scores.

There will be a significant effect between the caffeine consumed in a week and heart rate scores.

There will be a significant negative correlation between the rating of taste for chocolate and the price.

There will be a significant correlation between the rating of taste for chocolate and the price.

There will be a significant difference between the rating of taste for chocolate and the price.

There will be no significant correlation between the rating of taste for chocolate and the price.

There will be no significant effect between shoe size and height.

There will be no significant relationship between shoe size and height.

There will be a significant positive relationship between shoe size and height.

There will be a significant relationship between shoe size and height.

There will be a significant relationship between age and hair loss.

There will be no significant relationship between age and hair loss.

There will be a significant negative relationship between age and hair loss.

Age will have a significant negative effect on age and hair loss.

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Research methods

There will be no significant correlation between the amount of alcohol consumed and scores on a memory test and any relationship will be due to chance.

There will be a significant effect between the amount of alcohol consumed and scores on a memory test.

There will be a significant positive correlation between the amount of alcohol consumed and scores on a memory test

There will be a significant correlation between the amount of alcohol consumed and scores on a memory test

There will be a significant negative correlation between the rating of disliking for maths and the speed taken to complete a maths-related word search.

There will be a significant correlation between the rating of disliking for maths and the speed taken to complete a maths-related word search.

There will be a significant difference between the rating of disliking for maths and the speed taken to complete a maths-related word search

There will be no significant correlation between the rating of disliking for maths and the speed taken to complete a maths-related word search and any relationship will be due to chance.

There will be no significant effect between hours of sleep and self-rating of alertness first thing in the morning

There will be no significant relationship between hours of sleep and self-rating of alertness first thing in the morning

There will be a significant positive relationship between hours of sleep and self-rating of alertness first thing in the morning

There will be a significant relationship between hours of sleep and self-rating of alertness first thing in the morning

There will be a significant relationship between age and self-rating of self-esteem

There will be no significant relationship between age and self-rating of self-esteem

There will be a significant negative relationship between age and self-rating of self-esteem

Age will have a significant negative effect on self-rating of self-esteem

Version 1 2 © OCR 2017

Research methods

Version 1 3 © OCR 2017

Research methods

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