A researcher designs an experiment with two groups. She decides to randomly assign participants to group by having each participant pull a number (1 or 2) out of a hat. What type of random assignment is this?
A. simple random assignment
B. stratified random assignment
C. matched random assignment
D. cluster random assignment
Ans: A
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a. True b. False Indicate whether the statement is true or false
When Jo witnesses a serious plane crash, she feels compassion, sympathy, and tenderness for the victims. Her feelings are indicative of
a. anxious introspection. b. perspective taking. c. kin selection. d. empathic concern.
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Indicate whether the statement is true or false
The colors across from one another on the color wheel are labeled _______ _______
Fill in the blank(s) with correct word