8. The probability that a researcher is willing to make a Type I error is a. the

Question

8. The probability that a researcher is willing to make a Type I error is

a. the alpha-level   

b. the calculated value of t  

c. beta   

d. the null hypothesis   

9. Typically, behavioral researchers set the alpha-level such that they will make a Type I error ____ percent of the time.   

a. 0   

b. 1

c. 5   

d. 50   

10. A difference between means that is statistically significant is  

a. due to error variance   

b. not likely to be a Type II error   

c. a null finding   

d. unlikely to be due to error variance

Explanation / Answer

8)

a. the alpha-level

9)

c. 5

10)as statisticaly significance leads to rejection of null ; while type II errror leads to not rejecting hence

b. not likely to be a Type II error

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