Joe had hypothesized that more freshman engage in "head scratching" than seniors. In order to test this hypothesis, he has to provide a specific description of the behavior which he would count as "one head scratching." Would scratching the ear or the forehead be included? What if the student "scratched his head" against a book or door? Would these also be counted in the study? This specific description of the behavior to be counted is called a/an A. The hypothesis B. The theory C. Procedure D. Operational definition The neurobiologist explained to the students, "The neural system is very much like the wires connecting your T.V. and stereo to the electrical outlet. If the wires were not covered with insulation, the signal would short circuit." The neurobiologist was describing the function of the _____. A. Terminal button B. Axon C. Inhibitory system D. Myelin sheath Roberta is placed in a room and told to press a button each time she hears a sound become louder. In this test, Roberta’s _____ is being measured. A. difference threshold for sound B. adaptation threshold for sound C. absolute threshold for sound D. level of auditory accommodation
Joe had hypothesized that more freshman engage in "head scratching" than seniors. In order to test this hypothesis, he has to provide a specific description of the behavior which he would count as "one head scratching." Would scratching the ear or the forehead be included? What if the student "scratched his head" against a book or door? Would these also be counted in the study? This specific description of the behavior to be counted is called a/an
A. The hypothesis
B. The theory
C. Procedure
D. Operational definition
The neurobiologist explained to the students, "The neural system is very much like the wires connecting your T.V. and stereo to the electrical outlet. If the wires were not covered with insulation, the signal would short circuit." The neurobiologist was describing the function of the _____.
A. Terminal button
B. Axon
C. Inhibitory system
D. Myelin sheath
Roberta is placed in a room and told to press a button each time she hears a sound become louder. In this test, Roberta’s _____ is being measured.
A. difference threshold for sound
B. adaptation threshold for sound
C. absolute threshold for sound
D. level of auditory accommodation
When you first put your clothes on this morning you felt them on your skin, but within minutes you no longer noticed them. This is an example of _____.
A. sensory acclimation
B. sensory adaptation
C. sensory transduction D. recency effect
32. Participants in a study are sent to listen to a lecture either in a lecture hall filled with natural light or in a lecture hall with no windows and completely artificial light. Before leaving the lecture, they fill out a mood survey. What is the independent variable in this study?
A. Lecture hall
B. Lecture
C. Type of light D. Mood survey
You want to determine the relationship between caffeine intake and performance on a mid-quarter exam. As students sit down to take the exam, you ask them to write the number of cups of tea, soda or coffee they ingested two hours prior to the exam. You also obtain their exam scores. You calculate the correlation coefficient between the two variables to be +0.82. What can you conclude?
A. The more caffeine students consumed, the better their scores
B. 82 percent of the students consumed caffeine prior to the exam
C. Drinking coffee caused better scores
D. The more caffeine students consumed, the lower their exam scores were
Historically, the foundational principles of true scientific psychology begin with _____.
A. Freud's application of the unconscious mind to behavior
B. Skinner and Watson’s work on studying the principles of observable behavior
C. Maslow’s theory of Hierarchy of Needs Theory
D. Wundt's use of introspection for research purposes and his creation of his scientific laboratory
35. Which of the following correlation coefficients is indicative of the strongest relationship between the two variables?
A. +0.65
B. 0.00
C. -0.87 D. -0.24
In studies involving few individuals or rare phenomenon, researchers may use the case study method. Which is an accurate criticism of this method?
A. There are too many extraneous variables that cannot be controlled
B. Scientific methods are not used to obtain data
C. Results cannot be readily generalized to the larger population D. Clinical studies have little value outside the clinic
What does the size of a correlation coefficient indicate?
A. The size of the variables
B. The number of data points
C. The strength of the relationship D. The direction of the relationship
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