An Education Researcher Was Interested in Examining the Effect of the Teaching

Multiple Choice

An education researcher was interested in examining the effect of the teaching method and the effect of the teacher on students' scores on a reading test.Suppose there are four different teachers (Juliana,Felix,Sonia,and Helen) and three different teaching methods (A,B,and C) .Students were randomly assigned to a teaching method and teacher.Those who studied with Sonia using method B achieved the highest scores.

A) Retrospective observational study
B) Prospective observational study
C) Experiment