WGU - Psychology C180 Exam Questions With Accurate
Answers 100% Guarantee Pass 2026
1. What is the main difference between a correlational study and an
experiment?
all participants in an experiment receive the same treatment
participants in an experiment are observed without interference in
their normal life
in an experiment, the investigator manipulates the independent
variable
participants in an experiment know what hypothesis is being tested
2. What is the function of serotonin in the body?
It is a neurotransmitter that blocks allergic reactions
It is a neurotransmitter that helps to decrease anxiety and improve
mood, learning, and memory; also reduces appetite and induces
sleep.
It is a neurotransmitter that causes allergic reactions, which may
include inflammation, water eyes, itchy skin, and hay fever.
It is a neurotransmitter that regulates muscle tone, sleep, and anxiety.
3. What is the definition of positive reinforcement in psychology?
Removing an unpleasant stimulus
Adding a pleasant stimulus
Punishing undesirable behavior
Ignoring behavior
,4. Which of the following is the most important reason for having ethical
guidelines about how research must be conducted?
These guidelines protect the welfare of the research participants.
Following these guidelines guarantees grants and other sources of
external funding.
These guidelines eliminate hurdles and shorten the process of
research.
Following such guidelines guarantees publication of one's results.
5. The use of chance procedures in psychology experiments to ensure that
each participant has the same opportunity to be assigned to any given
group.
Experimental Group
Qualitative Research
Random Assignment
Internal Validity
6. Describe how negative punishment differs from positive punishment in
behavioral psychology.
Negative punishment removes a pleasant stimulus to decrease a
behavior, while positive punishment adds an unpleasant stimulus.
Negative punishment and positive punishment both involve removing
stimuli.
Negative punishment adds a pleasant stimulus to increase a behavior,
while positive punishment removes an unpleasant stimulus.
Negative punishment is only applicable to animals, while positive
punishment applies to humans.
,7. What is the role of the axon in a neuron?
To receive signals from other neurons.
To store neurotransmitters.
To protect the neuron from damage.
To transmit electrical impulses away from the cell body.
8. What type of information does the occipital lobe primarily process?
Tactile information
Auditory information
Olfactory information
Visual information
9. GABA is:
The controller of reuptake of neurotransmitters in the brain.
The main excitatory neurotransmitter of the brain.
Another form of glutamate, and thus can be inhibitory, or excitatory,
depending on the needs of the brain.
The main inhibitory neurotransmitter of the brain.
10. What is the function of the soma of a neuron?
Insulates the axon
Transmits the signal
Receives the signal
Contains the nucleus
, 11. What kind of psychologist would be interested in studying how people
change over the lifespan?
Developmental
Cognitive
Clinical
Social
12. Dopamine is in neuronal circuits involved in
Motivation
Reward
Some motor control
A and B
All of the above
13. The endocrine system is responsible for
Coordinate to serve as a neuroendocrine control center
Change the activity of existing in target cells
Touch, pain, temperature, hearing, sight, smell, and taste
Secreting hormones and other molecules that help regulate the
entire body in both the short and the long term
14. What are the primary activities that trigger the release of endorphins?
Drinking water, laughing, and singing
Exercise, orgasm, and eating
Reading, studying, and working
Answers 100% Guarantee Pass 2026
1. What is the main difference between a correlational study and an
experiment?
all participants in an experiment receive the same treatment
participants in an experiment are observed without interference in
their normal life
in an experiment, the investigator manipulates the independent
variable
participants in an experiment know what hypothesis is being tested
2. What is the function of serotonin in the body?
It is a neurotransmitter that blocks allergic reactions
It is a neurotransmitter that helps to decrease anxiety and improve
mood, learning, and memory; also reduces appetite and induces
sleep.
It is a neurotransmitter that causes allergic reactions, which may
include inflammation, water eyes, itchy skin, and hay fever.
It is a neurotransmitter that regulates muscle tone, sleep, and anxiety.
3. What is the definition of positive reinforcement in psychology?
Removing an unpleasant stimulus
Adding a pleasant stimulus
Punishing undesirable behavior
Ignoring behavior
,4. Which of the following is the most important reason for having ethical
guidelines about how research must be conducted?
These guidelines protect the welfare of the research participants.
Following these guidelines guarantees grants and other sources of
external funding.
These guidelines eliminate hurdles and shorten the process of
research.
Following such guidelines guarantees publication of one's results.
5. The use of chance procedures in psychology experiments to ensure that
each participant has the same opportunity to be assigned to any given
group.
Experimental Group
Qualitative Research
Random Assignment
Internal Validity
6. Describe how negative punishment differs from positive punishment in
behavioral psychology.
Negative punishment removes a pleasant stimulus to decrease a
behavior, while positive punishment adds an unpleasant stimulus.
Negative punishment and positive punishment both involve removing
stimuli.
Negative punishment adds a pleasant stimulus to increase a behavior,
while positive punishment removes an unpleasant stimulus.
Negative punishment is only applicable to animals, while positive
punishment applies to humans.
,7. What is the role of the axon in a neuron?
To receive signals from other neurons.
To store neurotransmitters.
To protect the neuron from damage.
To transmit electrical impulses away from the cell body.
8. What type of information does the occipital lobe primarily process?
Tactile information
Auditory information
Olfactory information
Visual information
9. GABA is:
The controller of reuptake of neurotransmitters in the brain.
The main excitatory neurotransmitter of the brain.
Another form of glutamate, and thus can be inhibitory, or excitatory,
depending on the needs of the brain.
The main inhibitory neurotransmitter of the brain.
10. What is the function of the soma of a neuron?
Insulates the axon
Transmits the signal
Receives the signal
Contains the nucleus
, 11. What kind of psychologist would be interested in studying how people
change over the lifespan?
Developmental
Cognitive
Clinical
Social
12. Dopamine is in neuronal circuits involved in
Motivation
Reward
Some motor control
A and B
All of the above
13. The endocrine system is responsible for
Coordinate to serve as a neuroendocrine control center
Change the activity of existing in target cells
Touch, pain, temperature, hearing, sight, smell, and taste
Secreting hormones and other molecules that help regulate the
entire body in both the short and the long term
14. What are the primary activities that trigger the release of endorphins?
Drinking water, laughing, and singing
Exercise, orgasm, and eating
Reading, studying, and working
