Mathematics, 27.04.2021 14:40 999986536
A researcher does a study of a mathematics program in a one-group pretest-posttest design. She gives the group of second graders a multiple-choice pretest. Unknown to her, the children had never taken a multiple-choice test. The children scored higher on the same test given at posttest. She argues that the children improved because of the mathematics program. That the children had never taken a multiple-choice test before and showed improvement at posttest suggests that one possible threat to her conclusion is a:
Answers: 3
Mathematics, 21.06.2019 17:40
Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.
Answers: 1
Mathematics, 21.06.2019 20:00
Can you me find the missing length. i attached an image.
Answers: 1
Mathematics, 21.06.2019 22:00
What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?
Answers: 3
A researcher does a study of a mathematics program in a one-group pretest-posttest design. She gives...
Mathematics, 02.12.2020 04:20
Mathematics, 02.12.2020 04:20
Social Studies, 02.12.2020 04:20
Mathematics, 02.12.2020 04:20
Mathematics, 02.12.2020 04:20
Biology, 02.12.2020 04:20
Biology, 02.12.2020 04:20
Geography, 02.12.2020 04:20
Mathematics, 02.12.2020 04:20
English, 02.12.2020 04:20
Biology, 02.12.2020 04:20
Biology, 02.12.2020 04:20