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. 5 is an example of which of the following types of correlations?
a. cross-sectional correlation
b. autocorrelation
c. multivariate correlation
d. cross-lag correlation

Bloodborn pathogens are infectious microorganisms carried by what?

What is the neurological science behind seizures?

Mrs. kirby, 58, is a moderately active woman. she works in the garden almost daily, occasionally walks with her friends, and babysits her three very active young grandchildren every weekend. she eats a fairly standard diet every day: she has cereal with milk and coffee for breakfast, some kind of salad for lunch, and a piece of meat or fish with a healthy of veggies for dinner. she usually skips desserts or has just a couple of strawberries. when asked to look at the food labels and calculate her intake of carbohydrates, fats, and proteins in grams over the entire day, on an average day, she came up with the following numbers: carbohydrates: 243 g fats: 41 g proteins: 63 g calculate what percentage of mrs. kirby's total energy intake came from carbohydrates.