Question

9. Preschoolers were asked to assemble a plastic toy several times in a row and were timed as

they performed the task. Learning occurred, according to the research psychologist, if the
child's assembly time was faster during his last attempt than during his first attempt. All times
are in seconds; note that the researchers chose a significance value of 0.01.
Child
1
1 2 3 4 5 6
5
6
7
First Trial Time | 100 150 | 150 | 110 | 130 | 120 | 118
Last Trial Time | 90 | 130 | 150 | 90 105 110 120
Which of the following best describes the researcher's conclusion?

Answer 1

The researchers considered the before and after design of the study. They concluded that since the P-value was greater than the significance level, they had to fail to reject the null hypothesis.

Explanation

test says is correct