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Reianna Shakil L6EF Psychology
7/09/12



Experiments and hypotheses

An experiment is a way of conducting research in which:
One variable is made to change (by the experimenter). This is called the
independent variable/IV.
The effects of the IV on another variable are observed or measured ­ this is
the dependent…

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Reianna Shakil L6EF Psychology
7/09/12




Directional hypothesis ­ states the direction of the predicted difference between
two conditions or two groups of participants.

"People who do homework without the TV on, produce better results than
those who do homework with the TV on."

Non-directional hypothesis - predicts simply that there…

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