What type of reference is illustrated by the sentences below?

In the wild, newly weaned rats acquire their eating habits by eating only what they have seen older rats eat. Based on what is known about learning, you should conclude that these rats are acquiring their eating habits through the process known as:

a. latent learning b. observational learning c. classical conditioning d. operant conditioning

Lesbian and gay older adults who are married or in committed relationships __________

A) are more sexually active B) are less sexually active C) tend to focus on sexual acts that lead to climax D) often drift into a state of sexual disinterest