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In an experiment, people are told to solve a problem by focusing on the details. Is the speed of solving the

problem different for people who get such instructions compared to the speed for people who are given no special instructions?

What is the dependent variable?

What is the independent variable?

What kind of test one tailed high/low or two tailed?

State the research hypothesis: (include notations) (include notations)

State the null hypothesis:

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