The independent and dependent variables

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• Explain whether you chose to use an independent-samples t test or a matched-samples t test. Provide a rationale for your choice.

• Identify the independent and dependent variables.

• Knowing you believe the treatment will reduce the amount of time to fall asleep, state the null and alternate hypotheses in words (not formulas).

• Explain whether you would use a one-tailed or two-tailed test and why.

• Explain whether you have homogeneity of variance, and explain how you know. Explain why it is important to know if you have homogeneity of variance.

• Identify the obtained t value for this data set using SPSS.

• Identify the degrees of freedom and explain how you determined it.

• Identify the p value.

• Explain whether you should retain or reject the null hypothesis and why.

• Explain what you can conclude about the effectiveness of visualization therapy.

Reference no: EM13763736

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