Dr Kalmagura Plans to Introduce a New Exam Review Procedure

question 16

Multiple Choice

Dr. Kalmagura plans to introduce a new exam review procedure in his chemistry classes. To check the effectiveness of the new procedure, half his students will try the new technique for one semester, while the remaining students will review in the same way they have always done. Each student will decide whether they like the new technique or the standard technique. This example illustrates

• A)the use of non-random assignment.
• B)a correlational research design.
• C)a double-blind research design.
• D)what is meant by informed consent in research.

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Definitions:

Indifference Curve

A graphical representation showing combinations of two goods between which a consumer is indifferent, reflecting equal levels of utility.

Utility Analysis

An approach in economics that assesses the satisfaction or benefit a consumer receives from consuming goods or services.

Numerically Measurable

Characteristics or quantities that can be quantified or expressed using numbers.

Budget Line

A graphical representation of all possible combinations of two goods or services that a consumer can afford given their income and the prices of the goods, reflecting budgetary constraints.