If a researcher was interested in learning how children's moral development changes between the ages of 3 and 5, the researcher may follow them until they are 5 years old, testing them periodically. This research strategy is known as research.

This research strategy is known as longitudinal research.

Explanation:

A longitudinal study is a type of research in which specific subjects are observed through a certain period of time, mostly to see changes in them.

In this case, the researcher is carrying out this type of research since he/she may follow the children until they are 5, in order to observe their moral development changes.

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changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .