Classroom quality can be measured in many different ways.If a researcher is careful to map out each dimension of classroom quality,and observers have a clear plan for how to determine classroom quality when they see it,what have the researchers accomplished?
A)They have increased the reliability of their research method.
B)They made it possible to identify which kinds of classrooms are more likely to be effective.
C)They created a fair assessment tool for determining which classrooms are problematic.
D)They made it possible to determine that a classroom quality scale will have a high alpha.

Question

Quizplus · Accepted Answer

By mapping out each dimension of classroom quality and providing a clear plan for how to determine it, researchers have increased the reliability of their research method. Reliability refers to the consistency and reproducibility of measurement, and having a clear plan and mapping out each dimension helps to reduce observer bias and variation in rating the quality of the classroom.

Classroom Quality Can Be Measured in Many Different Ways