A professor wants to study the effectiveness of a new
study tool for a course. There are 150 students
registered for the course.
The professor assigns each student a number from 1 to
150 and uses a random number generator to assign the
first 75 students selected to use the new study tool. The
remaining 75 subjects are assigned to use the previous
study tool.
What type of experiment design is this?

This study is an example of a completely randomized design since each subject is randomly assigned to one of the treatment groups without extra consideration to other variables.

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Cricetus Cricetus · Answer 2 · 2021-12-18T16:03:07+01:00

This is a "completely randomized" type of experiment design.

Throughout terms of data analysis as well as accessibility, and simplicity a randomized design is perhaps most likely the shortest experimental study.
The investigator expects that sometimes extraneous influences would affect treatment conditions similarly in general, so that any substantial improvements across conditions may be allocated appropriately towards the individual entity.

Thus the above approach is right.

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