An experiment conducted by a college professor with introductory psychology students from his school as the subjects is most likely to be using a(n) ____ sample
a. convenience
b. purposive
c. modal instance
d. heterogeneity
a
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The structures within the ear amplify the sound waves coming into the ear
a. True b. False Indicate whether the statement is true or false
In the context of operant conditioning, which of the following scenarios best exemplifies negative reinforcement?
A. Maria buys a particular brand of cereal to get two boxes for the price of one. B. Nate no longer arrives late at work following a reprimand from his boss. C. Drake no longer cuts class now that his parents have confiscated his iPhone. D. Vanna fastens her seatbelt as soon as she gets in her car to stop the annoying alert sound.
Which one of the following statements about the polygraph is FALSE?
a. There is no scientific evidence that a specific “lie response” exists. b. Polygraph interpreters and users may be making the “Othello error.” c. The major drawback to using polygraphs is that they generate a high rate of false positives. d. The general discomfort and nervousness measured by the polygraph indicates that the person is hiding something.
________ is a stress hormone that may be elevated in children who have been abused
Fill in the blanks with correct word