Which of the following can be a negative number in testing the mean of a sample?
a. the degrees of freedom
b. the critical values
c. alpha
d. the standard error of the mean 
b. the critical values
Education
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The federal government taxes and provides support for education under the power given it under the establishment clause
Indicate whether this statement is true or false.
Education
What procedure is used when teachers determine that a student's behavior must be eliminated for a specified amount of time?
A. DRI B. DRO C. time reduction D. time elapsed reduction E. DRL
Education
Answer the following statement(s) true (T) or false (F)
Compare the role of the decision maker in action traditional research.
Education
Being aware of the emotions of others is also known as having ______.
a. sympathy b. understanding c. control d. empathy
Education