Dr. Farah is an educational psychologist who is interested in studying the potential causal relationship between doing homework and academic achievement. In January, Dr. Farah has her students report their fall GPA (a measure of academic achievement) and estimate how many hours they spent doing homework during a typical week in the fall semester. In May, Dr. Farah measures the same variables again (the estimated number of hours spent doing homework during a typical week in the spring semester and their spring GPA) . She finds the following correlations.
What type of study design is Dr. Farah using?
Definitions:
100% Stacked Column Chart
A graphical representation of the composition of data, where each column represents a whole and segments within the column represent different parts or categories, adding up to 100%.
Clustered Column Chart
A type of bar chart that groups related data points (columns) together for comparison purposes, allowing for visual comparison across categories.
Stacked Column Chart
A graphical representation using vertical bars divided into categories or segments, showing cumulative effect of multiple items.
Bar Chart
A graphical display of data using bars of different heights or lengths to compare various categories.
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