Marley presented a study in which he randomly assigned students to one of three interventions designed to actively engage students as they solved mathematics problems. Given this description, which of the following types of research did he likely complete?
A) Survey
B) Ethnography
C) Case Study
D) Experimental

Question

Quizplus · Accepted Answer

Marley's study involved randomly assigning students to different interventions, which is a key characteristic of an experimental design.

Marley Presented a Study in Which He Randomly Assigned Students