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A psychology professor conducted an experiment to evaluate the effectiveness of

ID: 3200497 • Letter: A

Question

A psychology professor conducted an experiment to evaluate the effectiveness of different study strategies. One part of the study asked students to prepare for a test by reading a passage. In one condition, students generated and answered questions after reading the passage. In a second condition, students simply read the passage a second time. All students were then given a test on the passage material and the researchers recorded the number of correct answers. a. Identify the most likely population in this experiment. b. Identify the independent variable. c. Identify the dependent variable for this study. d.Is the dependent variable discrete or continuous? e. What scale of measurement (dichotomous, categorical/ordinal, continuous) is used to measure the dependent variable? Explain.

Explanation / Answer

Answer:

A psychology professor conducted an experiment to evaluate the effectiveness of different study strategies. One part of the study asked students to prepare for a test by reading a passage. In one condition, students generated and answered questions after reading the passage. In a second condition, students simply read the passage a second time. All students were then given a test on the passage material and the researchers recorded the number of correct answers.

a. Identify the most likely population in this experiment.

All students or

All students in the college or the university.

b. Identify the independent variable.

Study method ( two study conditions)

c. Identify the dependent variable for this study.

Number of correct answers

d.Is the dependent variable discrete or continuous?

Discrete

e. What scale of measurement (dichotomous, categorical/ordinal, continuous) is used to measure the dependent variable? Explain.

Ratio level ( 0 measurement is present).

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