After They Had Failed the Writing Exam That Was Required

question 23

Multiple Choice

After they had failed the writing exam that was required of all students before graduation, fifteen students were placed in a class in which they received additional tutoring. After completing this class, all fifteen students retook the exam earned higher scores. Their success was held up as an example that the class curriculum really works. What source of internal invalidity has not been considered?

• A) History Effect
• B) Noncomparable Groups
• C) Contamination
• D) Regression
• E) Placebo Effect

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Definitions:

Area

A specific geographical region or a segment of space designated for a particular purpose or characterized by a unique feature.

Example

An example serves as a representative case, scenario, or specimen that illustrates a general principle, concept, or method.

3PL Study

An analysis or research focusing on Third-Party Logistics providers, exploring their services, effectiveness, and role in supply chain management.