Which of the following statements best describes a covariate?
A. A variable that influences an outcome variable but is not part of the experimental design
B. An independent variable that has no influence over a specific outcome variable
C. An independent variable that is used to influence a given outcome variable
D. A variable that forms part of the experimental design and which has a direct influence over a specific outcome variable
Answer: A
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a. ?is more often diagnosed in boys than in girls. b. ?can be cured through surgery. c. ?is caused by eating too much sugar. d. ?is best managed by flexible rules and routines.
What science teaching methodology is largely student-directed?
a. Expository b. Guided inquiry c. Discovery d. Free discovery e. All of the above f. None of the above
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a. PARC v. the Commonwealth of Pennsylvania b. Board of Education v. Rowley c. Brown v. Board of Education of Topeka, Kansas d. Mills v. Board of Education
Megan says something to Leila. Communication has occurred when
A) Megan is able to state her message as she intended. B) Leila is able to hear the message as Megan stated it. C) Leila understands the message as Megan intended it to be understood. D) Megan knows that Leila understands the message as she intended it.