Examlex
You are interested in determining whether the ability to name odors changes with age. Specifically, you believe that children over age 7 may perform much better than those under 4 on an odor identification task. Explain how you might construct a study longitudinally and cross-sectionally. What are the advantages and disadvantages of each? Now try a cross-sequential design. What are its advantages and disadvantages?
Poisson Distribution
A probability distribution that models the number of times an event occurs in a fixed interval of time or space.
Null Hypothesis
A null hypothesis is a default position that there is no relationship between two measured phenomena or no difference among groups being compared in a statistical hypothesis test.
Expected Number
The predicted count or quantity based on probability calculations, often used in statistical analysis and planning.
Corps-years
A unit of measure combining the number of corps and the duration in years, though the term might not be standard across contexts.
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