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PSYCHOLOGY CHAPTER #1-5 EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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PSYCHOLOGY CHAPTER #1-5 EXAM QUESTIONS WITH COMPLETE SOLUTIONS
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PSYCHOLOGY CHAPTER #1-5 EXAMQUESTIONS WITH COMPLETE
SOLUTIONS
What is the mean of the following distribution of scores: 2, 3, 7, 6, 1, 4, 9, 5, 8, 2? -
Answer-4.7
What is the median of the following distribution of scores: 1, 3, 7, 7, 2, 8, 4? - Answer-4
What is the mode of the following distribution: 8, 2, 1, 1, 3, 7, 6, 2, 0, 2? - Answer-2
When a difference between two groups is statistically significant, this means that -
Answer-the difference is not likely to be due to chance variation
Which of the following is important when generalizing from a sample to the population? -
Answer-All the above:
1. the sample be a representative of the population
2. the sample be large
3. the sores in the sample have low variability
Which of the following is NOT a basic research technique used by psychologists?
A. description
B. Replication
c. Experimentation
D. Correlation - Answer-Replication
Which of the following is the measure of central tendency that would be most affected
by a few extreme scores?
A. mean
B. Range
C. Median
D. Mode - Answer-Mean
Which of the following would be best for determining whether alcohol impairs memory?
A. Case study
B. Naturalistic observation
C. Survey
D. Experiment - Answer-Experiment
A neuron will generate action potentials when it - Answer-receives more excitatory than
inhibitory inputs
A strong stimulus can increase the - Answer-number of times the neuron fires
, An experimenter flashes the word FLYTRAP onto a screen facing a split-brain patient
so that FLY projects to her right hemisphere and TRAP to her left hemisphere. When
asked what she saw, the patient will - Answer-Say she saw TRAP
Chemical messengers produced by endocrine glands are called - Answer-hormones
Cortical areas that are not primarily concerned with sensory, motor, or language
functions are - Answer-called association areas
Dr. Hernandez is studying neurotransmitter abnormalities in depressed patients. She
would most likely be working from a ________ perspective. - Answer-biological
Following a head injury, a person has ongoing difficulties staying awake. Most likely, the
damage occurred to the - Answer-Reticular formation
Heartbeat, digestion and other self-regulating bodily functions are governed by -
Answer-autonomic nervous system
In a resting state, the axon is - Answer-polarized, with mostly positively charged ions
outside and negatively charged ions inside
In the brain, learning occurs as experience strengthens certain connections in cell work
groups called - Answer-Neural networks
The axons of certain neurons are covered by a layer of fatty tissue that helps speed
neural transmission. This tissue is - Answer-The myelin sheath
The brain research technique that involves monitoring the brain's usage of glucose is
called (in abbreviated form) the - Answer-PET scan
The effect of a drug that is an antagonist is to - Answer-block a particular
neurotransmitter
The increasing complexity of animals behavior is accompanied by an - Answer-increase
in the amount of association area
The pain of heroin withdrawal may be attributable to the fact that - Answer-under the
influence of heroin the brain ceases production of endorphins
Though there is no single "control center" for emotions, their regulation is primarily
attributed to the brain region known as the - Answer-limbic system
Voluntary movements, such as writing with a pencil, are directed by the - Answer-
Somatic nervous system
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