Question

1. what is the difference between a psychologist and a psychiatrist? a psychiatrist is a medical doctor who specializes in the treatment of psychological problems and can prescribe medication for clients. a psychologist also specializes in the treatment of psychological problems, but theyre not medical doctors, which means they cant prescribe medication. 17. what are the two most popular subfields of psychology? main field: clinical psychology; subfields: general health and geriatrics 18. what kind of psychologist profiles criminals? a forensic psychologist 19. what do experimental psychologists do? they conduct research into basic processes, such as the function of the nervous system 20. what are two ways to avoid a nonrandom sample? 21. what is the difference between longitudinal and cross - sectional studies? longitudinal: researchers select a group of participants and then observe them over a long period, often years or decades. cross - sectional: instead of following participants over the years, researchers select a sample that includes people of different ages. then they compare the behavior of participants in different age groups 22. how does a psychologist use an independent variable in an experiment? 23. what is the difference between an experimental and a control group? members of the experimental group receive the treatment. members of the control group do not

Explanation:

1. A psychiatrist is a medical - doctor and can prescribe medication, while a psychologist is not and cannot.
2. General health and geriatrics are popular subfields within clinical psychology.
3. Forensic psychologists profile criminals.
4. Experimental psychologists conduct research on basic processes like nervous - system function.
5. Longitudinal studies observe the same group over a long time, cross - sectional studies compare different age groups.
6. Members of the experimental group receive treatment, control group members do not.

Answer:

1. A psychiatrist is a medical doctor who can prescribe medication for psychological problems; a psychologist is not a medical doctor and cannot prescribe medication.
2. General health and geriatrics (within clinical psychology).
3. A Forensic psychologist.
4. They conduct research into basic processes, such as the function of the nervous system.
5. Longitudinal: Researchers select a group of participants and observe them over a long period. Cross - sectional: Researchers select a sample with people of different ages and compare the behavior of participants in different age groups.
6. Members of the experimental group receive the treatment; members of the control group do not.