Which Outcome Is a Disadvantage of a Longitudinal Research Design

question 16

Multiple Choice

Which outcome is a disadvantage of a longitudinal research design?

• A) Individuals of different ages are being compared to one another.
• B) Longitudinal samples cannot be representative of the overall population.
• C) Longitudinal studies fail to track changes over time.
• D) Research participants may drop out due to moving, loss of interest, or death.

---

Definitions:

Bertrand Duopoly

A market structure in which two companies compete on price, each setting their price independently with the aim of maximizing profit, assuming the competitor's price is fixed.

Homogenous Products

Goods that are identical in features and quality, making them indistinguishable to consumers from those offered by competing suppliers.

Bertrand Duopoly

A Bertrand duopoly is a market structure in which two firms set prices competitively for homogeneous goods or services, with the lower-priced firm capturing the entire market.

Market Demand

The total quantity of a product or service that consumers are willing and able to purchase at various prices within a certain timeframe.