What does the symbol R indicate in an experimental design?
a. observation
b. experimental variable
c. comparison groups
d. random assignment
d. random assignment
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A coordinated compliance review involves a self-study and review by a team of evaluators who look to see how closely the school meets set standards
Indicate whether the statement is true or false
Students took in cookie sales of $456, $537, $245, and $329 during a four-month period at their school. The students wanted to practice the front-end estimation they had learned in their class during the semester. Which of the following is the best front-end estimate for the cookie sale?
a. $1,300 b. $1,400 c. $1,450 d. $1,550
It is best practice to have infants share cribs so that there is more floor space for them to play
A. True B. False
It is important to monitor the Consumer Product Safety Commission (CPSC) website because it:
a. Identifies recalls of potentially harmful equipment and toys. b. Identifies toys with high play value. c. Ranks the durability of equipment like high chairs and cribs. d. Identifies toys designed to enhance children's cognitive development.