Freud's psychodynamic approach emphasizes early childhood family experiences. True or False?
a. True
b. False
a. True
A(n) _____ explains behaviors or events by offering ideas that organize observations.
a. hypothesis
b. operational definition
c. theory
d. replication
c. theory
Once a neuron has fired, it cannot fire again until after...
a. depolarization
b. the resting potential has passed
c. the refractory period
d. activation
c. the refractory period
Frequency is to pitch as amplitude is to ______
a. rhythm
b. loudness
c. olfaction
d. wavelength
b. loudness
Psychology is defined as...
a. the study of the human brain
b. the subjective study of human behavior
c. the study of abnormal human behavior
d. the scientific study of behavior and mental processes.
d. the scientific study of behavior and mental processes.
The difference between the highest and lowest scores in a distribution is referred to as the:
a. mean
b. range
c. mode
d. standard deviation
b. range
The junction between the axon tips of sending neurons and the dendrites or cell bodies of receiving neurons are called...
a. interneurons
b. synapses
c. neural networks
d. thresholds
b. synapses
Which of the following determines the perceived brightness of colors?
a. hue
b. intensity
c. wavelength
d. amplitude
d. amplitude
What is a characteristic of a behavior?
a. any internal feelings
b. all expressed thoughts
c. actions that can be observed
d. all mental processes
c. actions that can be observed
A correlation coefficient is a statistic that indicates the...
a. extent to which the researcher bias has influenced the results.
b. extent to which demand characteristics have biased the results.
c. direction of the causal relationship between two variables.
d. strength and direction of the link between two variables.
d. strength and direction of the link between two variables.
What is the correct communication path followed by neurons?
a. Dendrite to dendrite
b. Axon to axon
c. Dendrite to axon
d. Axon to dendrite
c. Dendrite to axon
Which of the following statements is true of difference thresholds?
a. They increase as a stimulus becomes stronger.
b. They are irrelevant and competing stimuli.
c. They are the minimum amount of stimulus energy that a person can detect.
d. They increase the ability to perceive information below the level of conscious awareness.
a. They increase as a stimulus becomes stronger.
What approach did structuralism use to identify the structures of the mind?
a. introspection
b. psychoanalysis
c. natural selection
d. free association
a. introspection
In a double-blind procedure, who is unaware of the experimental group assignment?
a. The experimenter
b. The participants
c. Neither the experimenter nor the participants are aware.
d. Both the experimenter and the participants are aware.
c. Neither the experimenter nor the participants are aware.
The chemical messengers that are passed from one neuron to another during an action potential are called...
a. dendrites
b. neurotransmitters
c. synapses
d. hormones
b. neurotransmitters
What is responsible for converting visual information to neural impulses?
a. cornea
b. retina
c. lens
d. iris
b. retina
Molly does not like to do chores. Her parents create a rule where she will get more time on her iPad if she cleans her room, and no time on her iPad if she does not clean. What approach are her parents using?
a. humanistic approach
b. behavioral approach
c. biological approach
d. psychodynamic approach
b. behavioral approach
In an experimental situation, subjects of group B are not exposed to the special treatment, effects of which are under study, making group B the ____ group.
a. nonexperimental
b. experimental
c. uncontrolled
d. control
d. control
Rudy, on his daily walk in the park, was scared when a snake crossed his path. He fled as fast as he could to rest on a bench on the edge of the park. Which body system helped to calm Rudy?
a. Central nervous system
b. Sympathetic nervous system
c. Parasympathetic nervous system
d. Somatic nervous system
c. Parasympathetic nervous system
Although Betsy was sitting right next to her boyfriend, she smelled a skunk before he did. Apparently, Betsy has a lower _______ for skunk odor than her boyfriend.
a. critical period
b. tolerance level
c. absolute threshold
d. sensory adaptation
c. absolute threshold