The factors with the most improvement as shown on the test were:
- Having a professional job
- more education
- people who do not to drugs
<h3>What is an intelligence test?</h3>
This is a test that is carried out on human beings in order to determine their intelligence quotients.
These tests are carried out on people to get where they fall in terms of their ability to reason and carry out tasks.
Read more on intelligence here: brainly.com/question/14012987
This is an example of negative reinforcement.
Her mother scolded her every time Jane bit her nails - so Jane learned that every time she bites her nails, she is going to be scolded sternly by her mother. In order to avoid that, she stopped biting her nails, and thus the reinforcement was successful.