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Psychology 101 Chapter 1-4 Exam
|Actual Questions With Answers
2026
Psychology - correct-answer - the scientific investigation of mental process and
behavior
Validity - correct-answer - the extent to which a test measures the construct it
attempts to assess or a study adequately addresses the hypothesis it attempts to
assess
Naturalistic Observation - correct-answer - observation of phenomena in its
natural setting
advantage: natural environment
disadvantage: no control
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Case Study - correct-answer - in-depth observation of one subject of a small
group of subjects
Natural Selection - correct-answer - the mechanism by which environmental
forces select traits in organisms
Genetics - correct-answer - study of inheritance of physical and psychological
traits from ancestors
Heritability - correct-answer - the extent to which individual differences in
phenotype are determined by genetic factors, or genotype
Sensory Neuron - correct-answer - transmits information from sensory receptors
to the brain
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Motor Neuron - correct-answer - transmits commands from the brain to the
glands or the muscles through the spinal chord
Interneurons - correct-answer - connect other neurons to each other (only found
in the brain and spinal chord)
Peripheral Nervous System - correct-answer - consists of neurons that convey
messages to and from CNS
Function of Somatic Nervous System - correct-answer - transmits sensory
information to the central nervous system and carries out its motor commands
Psychology 101 Chapter 1-4 Exam
|Actual Questions With Answers
2026
Psychology - correct-answer - the scientific investigation of mental process and
behavior
Validity - correct-answer - the extent to which a test measures the construct it
attempts to assess or a study adequately addresses the hypothesis it attempts to
assess
Naturalistic Observation - correct-answer - observation of phenomena in its
natural setting
advantage: natural environment
disadvantage: no control
,2|Page
Case Study - correct-answer - in-depth observation of one subject of a small
group of subjects
Natural Selection - correct-answer - the mechanism by which environmental
forces select traits in organisms
Genetics - correct-answer - study of inheritance of physical and psychological
traits from ancestors
Heritability - correct-answer - the extent to which individual differences in
phenotype are determined by genetic factors, or genotype
Sensory Neuron - correct-answer - transmits information from sensory receptors
to the brain
, 3|Page
Motor Neuron - correct-answer - transmits commands from the brain to the
glands or the muscles through the spinal chord
Interneurons - correct-answer - connect other neurons to each other (only found
in the brain and spinal chord)
Peripheral Nervous System - correct-answer - consists of neurons that convey
messages to and from CNS
Function of Somatic Nervous System - correct-answer - transmits sensory
information to the central nervous system and carries out its motor commands
