Depression is a serious mental disorder that has been shown to respond very well to cognitive therapy. You want to test the effectiveness of cognitive therapy on a group of people suffering from anxiety. You select a random sample of 15 people diagnosed with anxiety disorder and treat them with cognitive therapy. The following are the scores for the sample: 4, 3, 6, 2, 4, 6, 7, 5, 2, 1, 8, 9, 7, 4, and 10. Higher scores indicate more anxiety. Three times previously you administered a Likert-type scale, as a test of anxiety, and found there was an average score 6 points. Independent variable: Dependent variable: State Mathematical Hypotheses: H0: H1: _______________ Hypotheses in words. H0: _____________ _ H1: _______________________________________ __ What is the proper t-test? _ _. One-tailed or two-tailed? _
Depression is a serious mental disorder that has been shown to respond very well to cognitive therapy. You want to test the effectiveness of cognitive therapy on a group of people suffering from anxiety. You select a random sample of 15 people diagnosed with anxiety disorder and treat them with cognitive therapy.
The following are the scores for the sample: 4, 3, 6, 2, 4, 6, 7, 5, 2, 1, 8, 9, 7, 4, and 10. Higher scores indicate more anxiety. Three times previously you administered a Likert-type scale, as a test of anxiety, and found there was an average score 6 points.
Independent variable: Dependent variable:
State Mathematical Hypotheses: H0: H1: _______________
Hypotheses in words. H0: _____________ _
H1: _______________________________________ __
What is the proper t-test? _ _. One-tailed or two-tailed? _
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