Dr Jordan Studied 100 Children from When They Were Eight-Years-Old

question 57

Essay

Dr. Jordan studied 100 children from when they were eight-years-old until they were 13 years old. What is this type of research design called? She has concluded that children become more helpful to peers over this five-year age span. What limitations are there to this type of research design that might cause you to question whether her interpretation of her results is really accurate?

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Definitions:

Sample Observation

An individual data point collected from a sample that is used for analysis and making inferences about the population.

Population Variance

A measure of the dispersion of all data points in a population from the population mean, indicating the diversity within the population.

Confidence Interval

A range of values within which there is a specified probability that the true parameter lies.

Sample Variance

A statistic used to estimate the variance of a population, calculated from a sample of data from that population.