Two people who have chosen to be friends for over 30 years is an example of a group that is both primary and voluntary.
Answer: Option B
<u>Explanation:</u>
Primary groups are the groups which have most importance in our lives. The people who are a part of this group are the closest to us and are our friends and families.
The voluntary groups are the groups which we form on our wish and will and not have been given to us without our wish. So the friend who has been in our life for more than thirty years is one of the most important people of our life and has huge emotional importance for us.
Answer:
According to current research, one factor that could be contributing to Dianna's language learning difficulty is her lack of: <u>early exposure to words</u>.
Explanation:
It is known by the theories of children early development, that the exposure to language during the first years is essential for building language. If Dianna had a lack of exposure to words in the first five years this would be the cause of her diffculty in language learning.
Answer: Absolute threshold
Explanation: The absolute threshold is the minimum amount of energy, or quantity of a stimulus, required for it to be reliably detected at least 50% of the time it is presented. In this example, thedoctor is trying to find the quietest sound Ann can reliably detect (i.e., the absolute threshold). In contrast, to determine a difference threshold, the doctor would need to ask Ann if she perceived two sounds as being the same or different volumes.