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In an Apa Results Section and Independent Groups T-Test Is

Question 12
Multiple Choice

In an APA results section and independent groups t-test is written as follows t(82)= 5.66,p<0.05.Based on this information were the groups significantly different? A)yes,since p<0.05 B)no,since p should be less than 0.01 to be significant C)there may be a type II error D)there may not be enough subjects

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Q 13
In an APA results section and independent groups t-test is written as follows t(82)= 5.66,p<0.05.Based on this information what are the degrees of freedom? A)5.66 B)82 C)80 D)cannot be determined
Q 14
The 95% confidence intervals are_____reported in APA results sections. A)never B)usually C)sometimes D)None of these
Q 15
Dr.Johnson is studying the effects of aspirin on heart rate.He believes that aspirin will lower heart rate.He has 2 groups the treatment group receives 80mg of aspirin for a week (n=4)the control group received a placebo (n=4)and their heart rates are compared.Below is his data in which heart rate is beats per minute.He sets his alpha level at 0.05 and uses a directional test. What is the t-value for the data above? A)4.20 B)4.19 C)3.91 D)None of these
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