Karl Popper's theory of science is consistent with:
a. modus tollens.
b. disconfirmatory reasoning.
c. both modus tollens and disconfirmatory reasoning.
d. paradigm shift.
C
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Dr. Schwiesow, a school psychologist, is observing in a 2nd grade classroom to determine how Samuel's peers are reacting to his increasingly aggressive behavior. She is likely looking for factors that are ________ Samuel's behavior
Fill in the blank(s) with correct word
Professor Scott conducts research on teenage risk-taking behavior. He would like to develop a hypothesis on the parental influence on teenage risk-taking at the extreme end of the spectrum, with a focus on teenagers who sail around the world alone. Would a case study be an appropriate first step, and why or why not?
a. Yes, because Professor Scott already knows that parents are the driving influence behind teenage circumnavigation. b. No, because it will not generate a sufficient amount of data to be tested statistically. c. Yes, because teenage circumnavigators are rare and the data will help generate new, or possibly falsify existing, hypotheses. d. No, because case studies are too idiosyncratic and lack scientific rigor.
Robin sells cars at an auto dealership, and she earns a commission for each car that she sells. Based on what is known about schedules of reinforcement, you should conclude that Robin's car selling is being reinforced based on a:
a. fixed-ratio schedule b. variable-ratio schedule c. fixed-interval schedule d. variable-interval schedule
A dependent variable is:
a. A variable that has been shown to depend on other variables. b. A variable that the researcher wants to test if it depends on other variables. c. A variable that may or may not exist. d. A variable that has been measured on an interval scale.