Question 1

Identify and describe the steps involved in the research process. Be sure to explain what happens at each step in the process.

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Question 2

Briefly explain what internal validity is and what external validity is. What can be done in research to improve internal validity and external validity?

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Question 3

Describe two prominent ways researchers can assess the reliability of a scale.

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Question 4

What is the difference between a field experiment and a lab experiment? How do they differ in terms of internal validity and external validity?

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Question 5

Draw a normal distribution, including the standard deviations and the percentage of observations within the standard deviation units.

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Question 6

Assume that a .80 correlation exists between class attendance and class grades. Graph this correlation, putting class grades on the y-axis and class attendance on the x-axis. Also, compute the coefficient of determination for this relationship.

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Question 7

What are the main differences in the inductive and deductive approaches to science?

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Question 8

Identify and describe two of the additional stipulations set forth by the Ethical Principles of Psychologists and Code of Conduct of the American Psychological Association (beyond the five general principles).

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Question 9

What are three of the five criteria of a good theory?

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Question 10

Briefly identify and describe three measures of central tendency and three measures of dispersion.

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Question 11

Describe the components of the cyclical inductive-deductive model of research.

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Question 12

The textbook notes that there is a trade-off between internal and external validity. Explain what this means, and provide an illustration of how a researcher might increase internal validity at the expense of external validity.

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Question 13

Explain the difference between an experiment and a quasi-experiment. Which approach has higher internal validity? Why?

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Question 14

How are experimental methods of research different from other research methods?

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Question 15

Describe two ways in which I/O psychologists can control for extraneous variables in research.

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Question 16

Describe two ways in which technology has changed the way researchers conduct surveys.

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Question 17

Identify and describe two observational methods of research. For each method, discuss an advantage of its use.

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Question 18

Identify and describe the four main goals of science.

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Question 19

Briefly describe the differences between predictive validity and concurrent validity. Then, for one of these types of validity, briefly describe how to conduct a relevant study to provide this evidence.

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Question 20

Provide an example of a deductive approach to a research question and an inductive approach to the same research question.

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Quiz 2: Research Methods in Io Psychology