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A Researcher Wants to Examine the Changes in the Stability

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Essay

A researcher wants to examine the changes in the stability of friendship between first and third grade. Should the researcher use a cross-sectional or a longitudinal design? Explain your choice. Give the advantages and disadvantages of each design.


Definitions:

Binge-Eating Disorder

A disorder characterized by recurrent episodes of eating large quantities of food in a short period of time, often accompanied by feelings of loss of control and guilt.

Diagnostic Criteria

The specific conditions and signs that must be present for a healthcare professional to diagnose a particular disorder or disease.

Obesity

A medical condition characterized by excess body fat that increases the risk of health problems.

Risks

The potential for experiencing harm, loss, or adverse effects in a given situation or for a specific condition.

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