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- 1.A study examining how other people affect one's behavior is most likely guided by which major research perspective?
- A.
Biological
- B.
Behavioral
- C.
Cognitive
- D.
Sociocultural
- 2.A case study is an example of _________________ research.
- A.
Experimental
- B.
Descriptive
- C.
Survey
- D.
Correlational
- 3.Which of the following statements is not true about random sampling?
- A.
Random sampling is often used in survey research.
- B.
Random sampling provides a representative sample of the population being studied.
- C.
In random sampling, each individual in the population has the same chance of being in the random sample.
- D.
In random sampling, individuals from the population are chosen to be in the sample based on personal characteristics.
- 4.If you want to predict the relationship between age and IQ, which research method would be best?
- A.
Correlational study
- B.
Case study
- C.
Controlled experiment
- D.
Naturalistic observation
- 5.The correlation between grades in school and amount of time studying is +.92. These variables have a:
- A.
Strong inverse relationship.
- B.
Strong direct relationship.
- C.
Weak inverse relationship.
- D.
Weak direct relationship.
- 6.When two variables are unrelated, their correlation will be:
- A.
1
- B.
0
- C.
+.5
- D.
-.5
- 7.In an experiment to understand the effects of exercise on heart rate, a researcher varies the speed of a treadmill and then measures the heart rate of the participant. The heart rate of the participant is the:
- A.
Independent variable.
- B.
Dependent variable.
- C.
Placebo variable.
- D.
Operational variable.
- 8.Which statistic describes the most frequently occurring score in a set of scores?
- A.
Mean
- B.
Median
- C.
Mode
- D.
Standard deviation
- 9.In the normal distribution, over 99 percent of scores fall within how many standard deviations of the mean?
- A.
1
- B.
2
- C.
3
- D.
4
- 10.What is(are) the appropriate measure of the central tendency of scores in a skewed distribution?
- A.
Mean
- B.
Median
- C.
Neither of the above
- D.
Both of the above
- 11.A neuron receives information through the _____________ and passes information along through the _______________.
- A.
Cell body; axon
- B.
Dendrite; glial cells
- C.
Axon; cell body
- D.
Dendrite; axon
- 12.What happens to neurotransmitters after they deliver their message to the receiving neuron?
- A.
They are destroyed by enzymes.
- B.
They are taken back into the axon terminals of the sending neuron for reuse.
- C.
Either of these may occur.
- D.
Neither of these occurs.
- 13.Which neurotransmitter(s) are the nervous system's natural painkillers?
- A.
Endorphins
- B.
Norepinephrine
- C.
Dopamine
- D.
Acetylcholine
- 14.The central nervous system is comprised of the:
- A.
Somatic nervous system and autonomic nervous system.
- B.
Brain and spinal cord.
- C.
Sympathetic nervous system and parasympathetic nervous system.
- D.
Every nerve in the body.
- 15.All of the following are endocrine glands except:
- A.
The pituitary gland.
- B.
Tear glands.
- C.
The pancreas.
- D.
The thyroid gland.
- 16.The ____________, a brain stem structure, is involved in regulating body functions needed for survival, such as breathing and heartbeat.
- A.
Amygdala
- B.
Medulla
- C.
Thalamus
- D.
Cerebellum
- 17.Which of the following statements about the limbic system is false?
- A.
The limbic system plays an important role in survival, memory, and emotion.
- B.
The limbic system is comprised of the hippocampus, hypothalamus, and amygdala.
- C.
The limbic system is where higher-level cognitive processes occur.
- D.
The limbic system surrounds the top of the brain stem.
- 18.Which is the largest part of the brain?
- A.
Brain stem
- B.
Cerebral cortex
- C.
Cerebellum
- D.
Limbic System
- 19.The _____________ in the __________ allows us to move different parts of our body.
- A.
Motor cortex; frontal lobe
- B.
Somatosensory cortex; parietal lobe
- C.
Motor cortex; temporal lobe
- D.
Somatosensory cortex, occipital lobe
- 20.People with damage to Broca's area have problems:
- A.
Understanding speech.
- B.
Singing.
- C.
Reading silently.
- D.
Speaking fluently.
- 21.Split-brain patients:
- A.
Have a dominant left hemisphere.
- B.
Can orally identify information presented in their left visual field.
- C.
Have a severed corpus callosum.
- D.
Only use the right hemisphere.
- 22.The right hemisphere processes information from the:
- A.
Left eye.
- B.
Left half of each eye.
- C.
Right visual field.
- D.
Left visual field.
- 23.The absolute threshold is best described as:
- A.
The minimum amount of energy in a sensory stimulus detected 50 percent of the time.
- B.
The absolute minimum amount of energy needed for a sensory stimulus to be detected.
- C.
The absolute maximum amount of energy needed for a sensory stimulus to be subliminally detected.
- D.
the maximum amount of energy in a sensory stimulus detected 100 percent of the time
- 24.Signal detection theory is based on:
- A.
Decision-making.
- B.
Sensor processing.
- C.
Neither of these
- D.
Both of these
- 25.According to Weber's law, the constant fraction for loudness of tones is 1/10. If the difference threshold is 3 decibels, what standard stimulus is being used?
- A.
3.3 decibels
- B.
30 decibels
- C.
3 decibels
- D.
300 decibels
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