Which of the following occurs when you reject the null hypothesis when it is really true?
a. Type I error
b. correct decision
c. Type II error
d. power
Ans: a
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__________ refers to the exchange of messages between a speaker and a listener
a. Communication b. Expressive language c. Oral-motor action
A researcher obtains chemistry achievement test scores from a group of high school students who have had laboratory experience and a group who have not. She recognizes the need to control for the variable intelligence in his study. Identify the type of control technique illustrated by the following procedures. The effect of intelligence on the test scores is controlled with a statistical
procedure. a. match b. use analysis of covariance c. use a homogeneous group d. add intelligence as an additional independent variable
Which of the following procedures is used to provide information about the health of the fetus?
a. Chorionic villus sampling b. Fetal heart monitoring c. Amniocentesis d. All of the above
Being proactive means:
a. focusing on solving problems and taking responsibility. b. being physically active to stay healthy and mentally alert. c. actively talking to others about your problems, while avoiding difficult situations.