Marvin collects things, not cars, or baseball cards, or even beer bottles. Marvin collects everything. He cannot seem to stop picking up "stuff" from the street or dumpsters. If he attempts to pass by a target for collection, he is overwhelmed with tension and must return to "make it right." Marvin is most likely suffering from _______________.

 
A. a compulsion

B. an obsession

C. a phobia

D. schizophrenia
I need help on this one.. i believe its A??

Have you looked up each concept?

http://drdavespsychologypage.intuitwebsites.com/Compulsions.pdf

http://drdavespsychologypage.intuitwebsites.com/Phobias_and_Their_Treatment.pdf

Based on the information provided, Marvin's behavior of compulsively collecting things from the street or dumpsters suggests that he may be suffering from a compulsion. Compulsions are repetitive behaviors or mental acts that an individual feels driven to perform in response to an obsession or according to rigid rules. In this case, Marvin's compulsion to collect everything is driven by an internal tension that he cannot resist. Therefore, the most likely answer is A. a compulsion.

You are correct! Marvin's behavior of constantly collecting things from the street or dumpsters, and feeling overwhelmed with tension if he tries to resist, suggests that he is most likely suffering from a compulsion.

A compulsion is a repetitive behavior or mental act that a person feels driven to perform in response to an obsession or according to rigid rules. In this case, Marvin's obsession is the need to collect things, and his compulsion is the act of picking up items from the street or dumpsters.

To arrive at this answer, it is important to understand the definitions of the other options as well:

B. An obsession is an unwanted and intrusive thought, image, or urge that repeatedly enters someone's mind.

C. A phobia is an irrational fear or anxiety about a particular object or situation.

D. Schizophrenia is a mental disorder characterized by abnormal social behavior, disordered thinking, and hallucinations.

By eliminating the other options based on the provided information, it becomes evident that A. a compulsion is the most appropriate answer for Marvin's behavior.