Answer:
D. simple main effect of gender.
Explanation:
A simple main effect refers to the effect that one independent variable has at various different levels of a second independent variable. In this example, Reba is examining the interaction between age and gender. However, she mainly focuses on the effect of a single variable (gender) at various levels of a second variable (different ages). This type of research allows researchers to have a more complete view of the phenomenon at hand.
Answer: asking the individual's friends about his smoking behavior
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Proactive policing can be described as preventing crime, while reactive policing involves responding to a crime that is taking place right now or that has already taken place. ... Reactive policing, on the other hand, involves reacting to something that has already happened.
The Egyptians lived by the Nile River so when the Nile River flooded it helped with the crops growing because the soil would wet and rich.
