Researchers Investigating Volunteers' Motives for Helping People with AIDS,tracking How

Multiple Choice

Researchers investigating volunteers' motives for helping people with AIDS,tracking how long they continued to work,found that:

A) people with selfless motives continued to volunteer the longest.
B) people with selfless motives were only slightly more likely to volunteer for a longer length of time compared to people with selfish motives.
C) people with more selfish motives volunteered the longest.
D) there were no differences in the volunteer length between people with selfless and selfish motives.