Answer:
(A). Cross-sectional
Explanation:
A cross-sectional research design is used to collect information on a single variable at a particular time, from different population groups with similar characteristics.
In this case, the research variable being studied is depression, while the individuals are grouped according to ages.
• services can be bought by consumers , as well as goods
• services can be bought at just about any price with not much difference in quality
• product markets are markets such as services
Answer: (B) Referent
Explanation:
Referent power is one of the form of interpersonal skills gain by the leader who has strong point of view and has ability to show leadership quality.
The reference power sometimes called as personal power in an organization where the leadership skills are important instead of control and also command.
The referent power is basically refers to the leader who show their interpersonal relationship with other in an organization.
Therefore, Option (B) is correct.