After calculating the marginal means in the table below, which variable has a significant main effect? (assume any difference between the means implies the main effect is significant) 
Definitions:
Ecological Perspective
A viewpoint in social sciences that emphasizes the interplay between individuals and their physical, social, and cultural environments.
Community Psychology
A branch of psychology focused on understanding relationships between individuals and their communities, aiming to enhance quality of life through social change.
Community Psychology
A branch of psychology focused on understanding and enhancing the relationships between individuals and their communities to promote well-being.
Clinical Psychology
A branch of psychology that focuses on diagnosing and treating mental, emotional, and behavioral disorders.
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