As a Longitudinal Experiment,Juan Worked with Two Different Groups,one Who

question 11

Multiple Choice

As a longitudinal experiment,Juan worked with two different groups,one who was receiving a special stress-reduction training,and another who was not.These two groups were matched together on important variables,and a pretest and posttest were both performed.However,he noticed that after sessions the individuals in the stress-reduction training were telling those in the control group about what they did each day.What form of internal invalidity is this?

• A)compensation
• B)compensatory rivalry
• C)diffusion or imitation of treatments
• D)demoralization
• E)history

Analyze the impact of market demand changes on firm behavior and market equilibrium in both the short and long run.

Apply the concept of opportunity costs and sunk costs to business decisions.

Evaluate the effects of entry and exit of firms in a perfectly competitive market on economic profits and resource allocation.

Understand the implication of limited resources on market supply and firm profitability.

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Definitions:

Outcomes

The results or consequences of actions, processes, or experiments, which can be measured and analyzed.

Pseudorandom Numbers

Numbers that are generated using deterministic algorithms that approximate the properties of random numbers.

Truly Random Numbers

Numbers generated in a way that is impossible to predict, providing an equal chance for every outcome.

Statistics

The science of collecting, analyzing, interpreting, presenting, and organizing data.