Psych-1X03-QuizTerm-Practice.pdf - Psych 1X03 QuizTerm Practice Questions Research Methods Scenario Nancy and Drew did an experiment to test the effect

Psych-1X03-QuizTerm-Practice.pdf - Psych 1X03 QuizTerm...

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Psych 1X03 QuizTerm Practice Questions Research Methods Scenario : Nancy and Drew did an experiment to test the effect of performance enhancing drugs on intelligence. They made two groups: Group 1 was asked to take a sugar pill daily and Group 2 was asked to take the performance enhancing drug daily. After taking their respective pill for 5 days, the groups performed a memory test. After gathering their data, Nancy and Drew plotted a bar graph of the two groups they and observed that the bar was higher for the experimental group. Their t-test revealed a p value of p=0.05. 1. What’re the independent and dependent variables in this experiment? 2.Which of the following is a valid theory of the experiment? a.Performance enhancing drugs increase IntroPsych quiz performance.b.Performance enhancing drugs affect intelligence.c.Intelligence quotient test scores are increased by performance enhancing drugs.d.Performance enhancing drugs increase reaction time in individuals. 3.Which of the following will make this experiment valid? 4.In the analysis, Nancy and Drew found an outlier in the control group and they decide tochange their measure of central tendency. Knowing that there is an outlier, which of thesewould be a better measure? 5.In this scenario, what does the p-value indicate?
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6.Which of the following would indicate that Nancy and Drew made a Type II error? a.Their t-test made an error and the p-value was actually revealed to be p=0.06b.They realize that participants with better short-term memory were assigned to theexperimental group.c.They ordered the wrong performance-enhancing drug.d.They realize that participants with better short-term memory were assigned to thecontrol group. Classical Conditioning Scenario : Albert was involved in a classical conditioning experiment. When he first came to the experiment, he was not afraid of rats; but he was scared of the sound of a 500hz tone. By the end of his experiment, he became scared of rats with black skin pigment because he was shown a black rat just before the 500hz tone was presented.
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