Question 575646
for each hypothesis listed indicate: 
Whether the appropriate analysis would be a one-tailed test or a two-tailed test. 
A type I and type II error, given the context of the hypothesis. 
Hypothesis: 
The three treatments tested differ in how well they work.:: 2-tail
Type I:Reject Ho when it is correct.
Type II: Fail to reject Ho when it is incorrect.
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Children receiving supportive therapy will get worse over time (at posttreatment).:: right-tail test
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Girls will do better than boys with treatment (any treatment).
:: right-tail test
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Cheers,
Stan H.