Awoman has been a participant in an ongoing study of intelligence for the past twenty years. every few years, a researcher tests her intelligence and asks her questions about her achievements. the woman is involved in a study that is using a research design.

longitudinal

Explanation:

Longitudinal research design: The longitudinal research study is one of the observational research methods that are based on gathering data from the same participants again and again for a specific time. It takes can take a longer time for a study to complete, and it can take time form several months to years even. A longitudinal research study is a qualitative form of research design.

Example: A researcher wants to examine the behavior of a person at different age intervals.

Types:

1. Panel study.

2. Cohort study.

earlier philosophers whose work influenced the enlightenment included bacon, descartes, locke, and spinoza. the major figures of the enlightenment included beccaria, diderot, hume, kant, montesquieu, rousseau, adam smith, and voltaire. it spread the ideas of the enlightenment across europe and beyond.