Quiz 2 Flashcards
You read an article in the Charlatan which states that there is a strong correlation between the number of churches and rates of petty crime in metropolitan areas. What could be the possible third variable that can help explain this statistic?
Select one:
a. People who go to church are more likely to get arrested for petty crimes
b. Belief in god
c. People who commit petty crimes are more likely to go to church to ask for forgiveness
d. High population density in metropolitan areas can explain the relationship between the two variables
d. High population density in metropolitan areas can explain the relationship between the two variables
100 students wrote a test, and the results showed that 99 of these students received a score of 85. One student failed. What can we say about the Standard Deviation of the data?
Select one:
a. SD=85
b. SD is large
c. SD=50
d. SD is very small
d. SD is very small
The plant “curare” has a powerful neurotoxin which binds to synapses on motor neurons and stops them from receiving signals from the central nervous system. This means that if the poison were to enter your body, you’re likely to experience which of the following symptom:
Select one:
a. You would be temporarily paralyzed
b. You would be temporarily completely pain-free
c. Complete relaxation of your inhibitions
d. You would experience intense euphoria
a. You would be temporarily paralyzed
An experimenter wants to explore the relationship between alcohol and driving errors. She hypothesizes that alcohol impairs a person’s reaction time to on-road obstacles. What is the NULL hypothesis in this study?
Select one:
a. Alcohol causes reaction time impairment
b. Alcohol use is a factor in road accidents
c. Alcohol causes driving impairment
d. Alcohol does not cause driving impairment
d. Alcohol does not cause driving impairment
A researcher wants to explore the relationship between years spent in graduate school and income earned. She decides to acquire data on graduate students admitted to Ontario Universities in the past 10 years and then proceeds to track down these students. She then gives them questionnaires and asks them to report their current income. This is an example of:
Select one:
a. True experiment
b. Observational research
c. Case study
d. Correlational study
d. Correlational study
Which of the following statements corresponds to the “Materialism” philosophical perspective?
Select one:
a. Consciousness makes us materialistic
b. When we die, our souls will go to another dimension
c. The mind reflects the workings of the brain
d. The mind and the brain should be considered separate entities
c. The mind reflects the workings of the brain
Which of the following statements about the brain is correct?
Select one:
a. The brain has the highest concentration of pain receptors Incorrect
b. The brain produces electricity
c. The brain is as important in processing information as is the spinal cord
d. The brain was the last human organ that evolved in its present form
b. The brain produces electricity
According to the lecture examples on the effects of alcohol on the nervous system,when people drink alcohol they feel relaxed, less inhibited and believe that they are more fun. Alcohol is a good example of a (n):
Select one:
a. Antagonist
b. Agonist
c. Neutralizer of stress
d. Amplifier of fun
a. Antagonist
Imagine you’re having a relaxing evening at home, and all of the sudden the fire alarm goes off because you forgot your souffle in the oven. Which part of your nervous system is likely to be activated in the split second that you hear the fire alarm?
Select one:
a. The parasympathetic nervous system
b. The brain and the spinal cord
c. The sympathetic nervous system
d. The somatic
c. The sympathetic nervous system
You pick up a peer reviewed journal and in one the studies, you see a correlation coefficient being equal to -1.5 or (r= -1.5). What can you conclude from this statistic?
Select one:
a. The relationship between the two variables is very large
b. The relationship between the two variables is negative and statistically significant
c. There is a typo in the results of this study
d. The relationship between the two variables is very small
c. There is a typo in the results of this study
