Aggressiveness a Recent Study Evaluated Elementary Age Children for Aggressiveness

question 60

Essay

Aggressiveness A recent study evaluated elementary age children for aggressiveness. This study found that the children who played video games were more likely to engage in aggressive or violent play at school. The researchers said the difference was statistically significant.
a. Briefly explain what "statistically significant" means in this context.
b. The news media reported that this study proved that playing computer games causes children to be aggressive or violent. Briefly explain why this conclusion is not justified.
c. But perhaps it is true. We wonder if playing computer games can lead to aggressive or violent behavior in elementary school children. We find 50 young children whose families
volunteer to participate in our research. Design an appropriate experiment. (You need not explain how to randomize.)

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Definitions:

Public Good

A product or service that is non-excludable and non-rivalrous, meaning it can be used by anyone without diminishing its availability to others.

Allocative Efficiency

The apportionment of resources among firms and industries to obtain the production of the products most wanted by society (consumers); the output of each product at which its marginal cost and marginal benefit are equal, and at which the sum of consumer surplus and producer surplus is maximized.

Marginal Costs

The additional cost incurred by producing one more unit of a good or service, crucial for making production and pricing decisions.

Marginal Benefits

The incremental satisfaction or benefit a consumer derives from consuming an additional unit of a good or service.