I believe the answer is:
random sample of the town's population
A mix of participants that reflect your town's makeup
Random sample is needed in order to ensure that the researchers do not obtain only the subjects that is close to them. Mix of participants is needed in order to ensure that the sample population are not taken from group with close similarties in behaviour.
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
Answer:
C
Explanation:
oil was important and you couldnt just find it anywhere so most would do or pay anything to get the oils just so happens a rural country had oil located all over
Answer: Concurrent schedule of reinforcement
Explanation: In psychology, such a schedule means representing two or more concurrent schedules that are independent. In doing so, each of them results in reinforcement, and each of the schedules is available simultaneously. This means that each of the independent schedules is equally effective and requires independent responses, where one does not have to respond to each of them.
Erosion from outside forces like climate, wind, water, etc.