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Suppose a group of researchers wants to investigate the relationship between daily mindfulness meditation and cortisol (stress hormone) levels in the body over a 20-year time period. Which research design would allow them to measure changes with age and within individuals over time, even though it would be expensive, limited to one cohort, take a long time, and they might have people drop out of the study

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Sequential research design would allow them to measure changes with age and within individuals over time, even though it would be expensive, limited to one cohort, take a long time, and might have people to drop out of the study.

What is a research design that is sequential?

Sequential research is carried out in a planned, staged manner, or "serially," with the intention that each stage would build on the one before it until enough information is acquired over a sufficient period of time to verify your theory.

The sample size in sequential research is not fixed in advance. The researcher can either accept the null hypothesis, reject it, or accept the alternative hypothesis after examining each sample, or they can select a different group of participants and do the study again. This implies that before choosing which hypothesis to adopt, she/he can collect an illimitable number of subjects.

Learn more about sequential research design with the help of the given link:

brainly.com/question/16951946?referrer=searchResults

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