Exam 12: Correlation Tests and Simple Linear Regression

Research done in educational settings often involves a quasi-experiment, because the researcher cannot affect the classroom students are in or the teacher they have.

Free

(True/False)

4.8/5

(37)

Question 1

Correct Answer:

Verified

True

In this design, the researcher considers the difference between the pretest and posttest scores across the control and experimental groups.

Free

(Multiple Choice)

4.9/5

(34)

Question 2

Correct Answer:

Verified

Explain why quasi-experiments are not as useful as experiments in answering causal research questions.

Free

(Essay)

4.8/5

(34)

Question 3

Correct Answer:

Verified

Because groups are randomly assigned in quasi-experiments, there is always the possibility that a third variable has caused the group difference. This third variable can obscure the test of the causal research question.

Which of the following represents a quasi-experiment?

(Multiple Choice)

4.7/5

(38)

Question 4

Effects of history and other sources of bias that occur over time) are least likely to occur in pretest-posttest designs.

(True/False)

4.9/5

(37)

Question 5

These natural changes that occur to the participants during the course of a study that can result in bias:

(Multiple Choice)

4.9/5

(39)

Question 6

Explain how time series designs are different from other pretest-posttest designs.

(Essay)

4.9/5

(38)

Question 7

These are events that occur during the course of a study to all or individual participants that can result in bias:

(Multiple Choice)

4.7/5

(41)

Question 8

The Solomon four-group design is a pretest-posttest design where

(Multiple Choice)

4.8/5

(32)

Question 9

Quasi-experiments are the most useful designs for answering causal research questions.

(True/False)

4.9/5

(41)

Question 10

Limitations of time series designs exist due to possible extraneous factors that may affect a score pattern change other than the treatment or event of interest.

(True/False)

4.8/5

(39)

Question 11

Quasi-experiments involve comparing groups of non-randomly assigned subjects.

(True/False)

4.8/5

(35)

Question 12

This can occur when participants score higher or lower than their personal average-the next time they are tested, they are more likely to score near their personal average, making scores unreliable.

(Multiple Choice)

5.0/5

(40)

Question 13

This is a type of research design where behavior is measured both before and after a treatment or condition is implemented.

(Multiple Choice)

4.8/5

(35)

Question 14

Many applied studies that examine realistic behaviors make use of quasi-experiments because random assignment would be difficult or impossible or unethical.

(True/False)

4.8/5

(23)

Question 15

Explain the difference between interrupted and non-interrupted time series designs.

(Essay)

4.7/5

(30)

Question 16

Attrition is best handled by inclusion of a control group.

(True/False)

4.9/5

(30)

Question 17

The researcher compares the scores from the pretest and the posttest, looking for a change based on the treatment or condition occurring between the two measurements.

(True/False)

4.8/5

(32)

Question 18

A time series design where the "treatment" is implemented by the researcher is called an):

(Multiple Choice)

4.7/5

(34)

Question 19

It would be ____________ to randomly assign some participants to smoke in order to conduct an experiment because this would force participants to endure something harmful.

(Multiple Choice)

4.8/5

(32)

Question 20

Showing 1 - 20 of 34

Research done in educational settings often involves a quasi-experiment, because the researcher cannot affect the classroom students are in or the teacher they have.

In this design, the researcher considers the difference between the pretest and posttest scores across the control and experimental groups.

Explain why quasi-experiments are not as useful as experiments in answering causal research questions.

Which of the following represents a quasi-experiment?

Effects of history and other sources of bias that occur over time) are least likely to occur in pretest-posttest designs.

These natural changes that occur to the participants during the course of a study that can result in bias:

Explain how time series designs are different from other pretest-posttest designs.

These are events that occur during the course of a study to all or individual participants that can result in bias:

The Solomon four-group design is a pretest-posttest design where

Quasi-experiments are the most useful designs for answering causal research questions.

Limitations of time series designs exist due to possible extraneous factors that may affect a score pattern change other than the treatment or event of interest.

Quasi-experiments involve comparing groups of non-randomly assigned subjects.

This can occur when participants score higher or lower than their personal average-the next time they are tested, they are more likely to score near their personal average, making scores unreliable.

This is a type of research design where behavior is measured both before and after a treatment or condition is implemented.

Many applied studies that examine realistic behaviors make use of quasi-experiments because random assignment would be difficult or impossible or unethical.

Explain the difference between interrupted and non-interrupted time series designs.

Attrition is best handled by inclusion of a control group.

The researcher compares the scores from the pretest and the posttest, looking for a change based on the treatment or condition occurring between the two measurements.

A time series design where the "treatment" is implemented by the researcher is called an):

It would be ____________ to randomly assign some participants to smoke in order to conduct an experiment because this would force participants to endure something harmful.

Psychological Research: the Whys and Hows of the Scientific Method and Data

Developing a Research Question and Understanding Research Reports

Ethical Guidelines for Psychological Research

Probability and Sampling

How Psychologists Use the Scientific Method: Data Collection Techniques and Research Designs

Descriptive Statistics

Independent Variables and Validity in Research

One-Factor Experiments

Hypothesis-Testing Logic

Javascript: Arrays

One-Way Analysis of Variance

Chi-Square Tests

Multifactor Experiments

Filters