Researchers state a level of significance in terms of an alpha level. The alpha level indicates
A. the probability of committing a Type I error.
B. the probability of incorrectly rejecting the null hypothesis.
C. the probability value for the rejection region.
D. all of these.
Ans: D
You might also like to view...
Common standards in English/language arts provide clarity by all but which of the following?
A. zero in on important knowledge and skills B. outline teaching strategies C. establish shared goals among students D. give all students an equal opportunity for high achievement
A concept map does which one of the following?
A. arranges ideas by their order of importance B. breaks down a topic into one or more levels of detail C. illustrates steps in a process D. illustrates parts and functions
An information processing perspective of development portrays cognitive development as:
a. Gradually improving cognitive abilities b. A series of five distinctly different stages of development c. Being due primarily to explicit instruction about how to think d. Something that is influenced largely by genetically controlled changes in the brain
Which of the following BEST addresses the addition rule of probability?
a. What is the probability of getting a score greater than the mean? b. Is there life on Mars? c. The probability of an outcome is a number between 0 and 1. d. In rolling a pair of dice, is there an equal probability of rolling an 8 versus a 9?