C. Diffusion, Evaluation apprehension is related to social facilitation in the same way that diffusion is related to the Ringlemann effect. Hope this helps.
Least likely to directly support public health from all mentioned organization would be: Americans for the Art. American for the Art is anon profit organization whose focus is advancing and improving the arts in the United States. The focus of all other given options is the health.
24% would be the point estimate. I think but pretty sure