Read This Description of a Study and Answer the Question

question 35

Essay

Read this description of a study and answer the question that follow.
A reporter at a university newspaper sought to gather evidence about the quality of teaching at the university.For one week at the beginning of the semester she attended 5 different,large-lecture classes each day,each with a different instructor.She asked 4 other reporters to do this too (they all attended different classes),and she trained them regarding the ratings they would make.The reporters pretended to be students,but sat in the back of class so the instructor wouldn't notice their observations.Using 10-point rating scales,they rated each instructor on five dimensions: interesting,organized,informative,friendly,and respectful.They summarized their findings and reported that,in general,the quality of teaching at the university is very good.
Identify the type of observational method used in this study.

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Definitions:

Plastic

Synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects of diverse shapes, widely used for a variety of applications.

Recycled

The method of gathering and treating substances that would normally be discarded as waste and transforming them into new items.

North America

A continent located entirely in the Northern Hemisphere and mostly in the Western Hemisphere, composed of countries like the United States, Canada, and Mexico among others.

Energy-Efficient

Describes technologies or processes that use less energy to perform the same function as conventional ones, reducing energy waste.