A Researcher Plans to Do an Experiment in the College

question 26

Essay

A researcher plans to do an experiment in the college setting concerning the effects of class size on attendance in a first year law course.He has four levels of size,namely,15,25,40,and 60 students.Four colleges are involved in the study,each having eight first-year law classes,two of each class size.The researcher can assign students at random to a class within a college,but he cannot assign students randomly to a college.Two law professors are used in each college.All professors teach four classes; the dependent variable is grades measured after one semester.Discuss the problems of control in this situation.Consider possible uncontrolled variables and variables that are or might be controlled.Is there a possibility of confounding of variables in this research situation? State one or more hypotheses for this experiment.

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Definitions:

Operating Assets

Assets that are utilized in the daily operations of a business to generate revenue, excluding investment and non-operational assets.

Margin

The difference between the selling price of a product or service and its cost, often expressed as a percentage of the selling price.

Operating Assets

Assets used by a company in its day-to-day operations to generate revenue, excluding investments and non-operational assets.

Combined Margin

A financial metric that combines various profit margins (e.g., gross, operating, net) to give a comprehensive overview of a company's profitability.