A small pulmonary rehabilitation program class size has which of the following beneficial ef-fects?

1. It facilitates group interaction.
2. It allows for more individualized attention.
3. It helps to sustain participant motivation.
4. It reduces the likelihood of attrition.
a. 2 and 4 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 1, 2, 3, and 4

ANS: D
Keeping the class size manageable facilitates vital group interaction processes and allows for more individualized attention. These factors help to sustain motivation, thereby reducing the like-lihood of participant attrition.