Answer :
Final answer:
The type of research conducted by the Stanford University researchers is called longitudinal research, which involves studying the same group over an extended period. This method allows researchers to observe and analyze changes in the subjects over time. Unlike cross-sectional research, which looks at different subjects at one point in time, longitudinal studies provide insights into long-term effects and developments.
Explanation:
What Type of Research Is It?
In the early 1970s, researchers at Stanford University conducted a study on a group of preschoolers, which they continued to follow into adulthood. This type of research is classified as longitudinal research.
Longitudinal research involves observing the same subjects over an extended period, allowing researchers to track changes and developments over time. An example of longitudinal research is the study of child development, as these researchers aimed to understand the long-term effects of certain behaviors that can be observed from preschool into adulthood.
Comparison with Other Research Types
In contrast, cross-sectional research examines different subjects at a single point in time, providing a snapshot rather than a continuous view. Examples of discontinuous and continuous research are less common in typical social research contexts but can refer to research that is either interrupted or continuous without breaks, respectively.
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