Astudent researcher conducts an experiment that investigates the effects of
a new textbook on...
Mathematics, 11.09.2019 20:30, mauri6381
Astudent researcher conducts an experiment that investigates the effects of
a new textbook on student achievement. two intact classrooms are used for
the samples. one classroom is taught with the new textbook and the other is
taught with the traditional textbook. each sample consists of 30 students.
observations of student engagement are rated by the researcher, according
to an engagement scale. how could this study be improved?
select all that apply.
d
a. randomly assign students to two different groups.
o
b. administer an instrument, gauging student understanding.
o
c. restrict the study to one group - the one taught with the new
textbook.
o
d. have another researcher rate the observations, as well.
Answers: 2
Mathematics, 21.06.2019 22:00, jamarstand
What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)
Answers: 1
Mathematics, 21.06.2019 22:30, blackordermember
Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?
Answers: 3
Business, 04.01.2021 17:00
Mathematics, 04.01.2021 17:00
English, 04.01.2021 17:00
English, 04.01.2021 17:00