Author Question: Dr. Sweedey is conducting research that examines 5 year olds and their aggressive behaviors. She ... (Read 127 times)

folubunmi · **on:** Jun 21, 2018

Dr. Sweedey is conducting research that examines 5 year olds and their aggressive behaviors. She follows up with these same participants 10 years later to measure their reactivity to stress. She is using a ___________ design.

A) cross-sectional
B) experimental
C) longitudinal
D) ex post facto

Question 2

A research team conducts a study, and their statistical analysis yields a correlation coefficient of 0.07 between two variables. What is true about this?

A) This number is so small that it is not statistically significant.
B) This number is so small that the correlation must be random.
C) This number can predict one variable's score from the other's.
D) This number can be statistically significant in large populations.