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
Three year old Stan can't remember any events from a family cruise to Bermuda when he was 1 year old. This best illustrates...
a. stranger anxiety
b. an insecure attachment
c. infantile amnesia
d. egocentrism
c. infantile amnesia
Frequency is to pitch as amplitude is to
a. rhythm
b. loudness
c. olfaction
d. wavelength
b. loudness
A(n) _____ explains behaviors or events by offering ideas that organize observations.
a. hypothesis
b. operational definition
c. theory
d. replication
c. theory
What is the range of measurement for coefficients of correlation?
a. 0.0 to +1.0
b. 0.0 to –1.0
c. –1.0 to +1.0
d. –10.0 to +10.0
c. –1.0 to +1.0
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
What did Harry Harlow and Margaret Harlow find when they studied monkeys?
a. Attachment derives from an association with nourishment.
b. Attachment derives from an association with the smell of the mother.
c. Attachment derives from bodily contact.
d. Attachment derives from an association with the voice (sound) of the mother.
c. Attachment derives from bodily contact.
Which of the following determines the perceived brightness of colors?
a. hue
b. intensity
c. wavelength
d. amplitude
d. amplitude
Another term for hindsight bias is known as _____.
a. skepticism
b. extrasensory perception (ESP)
c. overconfidence
d. the I-knew-it-all-along phenomenon
d. the I-knew-it-all-along phenomenon
Which measure of central tendency depicts the most frequently occurring scores?
a. The mean
b. The median
c. The mode
d. The arithmetic average
c. The mode
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
According to Piaget, which concept refers to our ability to adapt our current understandings (schemas) to incorporate new information?
a. Assimilation
b. Accommodation
c. Schema
d. Object permanence
b. Accommodation
The process of _____transforms stimulus energies, such as sights, sounds, and smells, into neural impulses our brain can interpret.
a. perception
b. transduction
c. psychophysics
d. sensation
b. transduction
Which research method did Jane Goodall use when studying chimpanzees in the wild?
a. Planned observation
b. Naturalistic observation
c. Controlled observation
d. Observation from afar
b. Naturalistic observation
In which kind of a distribution do most cases fall near the mean, and in which kind do fewer cases fall near either extreme?
a. Normal distribution
b. Abnormal distribution
c. Positively skewed distribution
d. Negatively skewed distribution
a. Normal distribution
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
Which parenting style is characterized by parents being coercive by imposing rules and expecting obedience?
a. trusting
b. permissive
c. authoritative
d. authoritarian
d. authoritarian
When Andy turns his textbook around, the rectangular book casts an increasingly trapezoidal image on his retinas, yet he still perceives it as rectangular. What explains such perception?
a. Size constancy
b. Stimulus familiarity
c. Context effects
d. Shape constancy
d. Shape constancy
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.
In a research study, Gojo finds a very high correlation between two variables. Which of the following is the coefficient Gojo got?
a. –0.23
b. 0.90
c. 0.01
d. –0.65
b. 0.90
Bryan, on his daily walk in the park, was frightened 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 Bryan?
a. Central nervous system
b. Sympathetic nervous system
c. Parasympathetic nervous system
d. Somatic nervous system
c. Parasympathetic nervous system
Jenna is an adolescent who has formed a close, loving relationship with Juno. What term did Erik Erikson use to describe this ability to form an emotionally close relationship?
a. Attachment
b. Intimacy
c. Social identity
d. Infatuation
b. Intimacy
Although Betsy was sitting right next to her boyfriend, she smelled a badger before he did. Apparently, Betsy has a lower _______ for badger odor than her boyfriend.
a. critical period
b. tolerance level
c. absolute threshold
d. sensory adaptation
c. absolute threshold
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
What is the mode from the following set of numbers:
2, 2, 5, 1, 3, 2, 1
a. 1
b. 2
c. 3
d. 5
b. 2