The _____ is the structure that contains the receptors for olfaction.
A) olfactory bulb
B) olfactory mucosa
C) chorda tympani
D) substantia gelatinosa
A Type 1 error occurs when
a. we reject the null hypothesis when it is false.
b. we retain the null hypothesis when it is false.
c. we reject the null hypothesis when it is true.
d. we retain the null hypothesis when it is true.
Sources of odor are called _____.
A) odor emitters
B) olfactory stimulus
C) odorants
D) odor objects
If the one-sided p-value is .02, then the two-sided p-value is
a. .01.
b. .05.
c. .04.
d. .08.
Dogs are more sensitive to smells than humans because _____.
A) humans have more olfactory receptors than dogs
B) dogs have many more olfactory receptors than humans
C) each individual olfactory receptor is more sensitive in dogs than in humans
D) dogs tend to be microsmatic
What is the advantage of using two-sided (as opposed to one-sided) p-values?
a. They are more likely to produce significant results.
b. They have greater statistical power.
c. They are less common in research.
d. They allow the researcher to interpret unexpected but significant relationships.
When presented with a common odor like banana or motor oil, participants can identify the odor approximately _____ of the time.
A) 10
B) 50
C) 87
D) 98
Which of the following is true about hypothesis testing?
a. Hypothesis testing involves comparing the observed data to what would have been expected if the research hypothesis were true.
b. Hypothesis testing involves comparing the observed data to what would have been expected if the null hypothesis were true.
c. Hypothesis testing involves comparing the observed data to what would have been expected if the p-value were less than alpha.
d. Hypothesis testing involves comparing the observed data to what would have been expected if the p-value were equal to .05.
When researchers presented participants with the names of the substances, they would be smelling at the beginning of the experiment and then reminded them of the correct names when they failed to respond correctly on subsequent trials, they could, after some practice, correctly identify _____ of the substances.
A) 68
B) 78
C) 88
D) 98
Which of the following is true about the p-value?
a. It indicates how many observations have been made.
b. It indicates whether the result is likely to have occurred by chance.
c. It indicates the likelihood of having made a Type 1 error.
d. It indicates the likelihood of having made a Type 2 error.
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