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After they had failed in the writing exam that was required for all students before graduation,15 students were placed in a class in which they received additional tutoring.After completing this class,all 15 students retook the exam and 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?
Reactive
Demonstrating a response to a stimulus or situation, often after the fact or as a result of external forces.
Bullying
Aggressive behavior intended to harm or intimidate others, where there is a power imbalance.
Relational Aggression
A type of aggression in which harm is caused through manipulation or damage to relationships or social status.
Bullying
The act of repeatedly subjecting someone to aggressive behavior, abuse, or intimidation, intended to harm, control, or discomfort the victim.
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