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A researcher wanted to know which type of toy 3-year-olds like to play with.The researcher placed a tricycle, blocks, a train set, and puzzles in a room and observed how many of 20 children played with each type of toy.What is the k value for this study?
Control Group
In experimental research, the group of participants who do not receive the treatment being tested and are used as a benchmark to measure the treatment's effect.
Stress
A state of mental or emotional strain resulting from adverse or demanding circumstances.
Experimental Group
In research, the group of subjects that receives the treatment or intervention under study, in contrast to the control group which does not.
Random Assignment
A method used in experiments to equally distribute participants across different groups to minimize biases and ensure that the groups are comparable.
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