Question 1

Which of the following is the FIRST question researchers should ask themselves when considering any experimental design?

Accepted Answer

The first question researchers should ask is how many independent variables their experiment will have, as this determines the basic structure and complexity of the experimental design.

Question 2

A multiple-group experiment often consists of

Accepted Answer

A multiple-group experiment typically involves two or more experimental groups to test different conditions or treatments, along with a control group for comparison.

Question 3

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Muscularity (M).

Accepted Answer

The answer of Examine the results in Table 1 on...

Question 4

Examine the results in Table 1 on p. 384 of the article. Do these results come from an independent-groups design or a correlated-groups design? How do you know?

Accepted Answer

The answer of Examine the results in Table 1 on...

Question 5

Miguel conducts a study in which he compares the effectiveness of behavioral therapy, cognitive therapy, humanistic therapy, and psychodynamic therapy to treat phobias. In this study, the independent variable is _________ and it has ____ level(s).

Accepted Answer

The independent variable is the type of therapy, and it has four levels: behavioral, cognitive, humanistic, and psychodynamic therapy.

Question 6

According to your text, "You find a research idea when you identify a gap in the current knowledge base…" . What was the gap in the knowledge base, according to the authors?

Accepted Answer

The answer of According to your text, "You find a...

Question 7

Cathy examined the effect of different teaching methods on students' exam performance. She randomly assigned college students to listen to one of three lectures and then tested them over the material. As hypothesized, she found that students taught by Method 1 earned significantly higher exam grades than students taught by Method 2 or Method 3. Which of the following is the best conclusion to draw from these results?

Accepted Answer

The answer of Cathy examined the effect of different teaching...

Question 8

A multiple-group design compares _________ level(s) of the independent variable.

Accepted Answer

A multiple-group design involves comparing three or more levels of the independent variable, allowing for more complex analysis of its effects.

Question 9

The belief that explanations of phenomena should remain simple until the simple explanations are no longer valid is known as the

Accepted Answer

The principle of parsimony, also known as Occam's Razor, suggests that the simplest explanation is usually the correct one until more complex explanations are necessary.

Question 10

Groups of participants that are formed by random assignment are known as _________ groups.

Accepted Answer

Random assignment creates independent groups, ensuring that each participant has an equal chance of being placed in any group, thus minimizing biases.

Question 11

Groups of participants that are related in some way are known as _________ groups.

Accepted Answer

Correlated groups are those where participants are related or matched in some way, such as through pairing or matching based on certain characteristics.

Question 12

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Muscularity (F).

Accepted Answer

The answer of Examine the results in Table 1 on...

Question 13

Describe in your own words self-discrepancy theory.

Accepted Answer

The answer of Describe in your own words self-discrepancy theory....

Question 14

What makes "self-discrepancy theory" a theory and not, for instance, a hypothesis?

Accepted Answer

The answer of What makes "self-discrepancy theory" a theory and...

Question 15

Participants who receive the IV are referred to as the _________ group.

Accepted Answer

Participants who receive the independent variable (IV) are referred to as the treatment group, as they are the ones being exposed to the experimental condition or intervention.

Question 16

Examine the Measures section on p. 382 of the article. What is the scale of measurement for the muscularity variable? What is the scale of measurement for the hair color variable?

Accepted Answer

The answer of Examine the Measures section on p. 382...

Question 17

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Weight (M).

Accepted Answer

The answer of Examine the results in Table 1 on...

Question 18

Suppose you know you would like to conduct a one-IV experiment. What is the second question that you need to answer?

Accepted Answer

After deciding to conduct a one-IV experiment, the next step is to determine how many levels of the independent variable (IV) you will use, as this will affect the design and analysis of the experiment.

Question 19

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Weight (F).

Accepted Answer

The answer of Examine the results in Table 1 on...

Question 20

Examine the results in Table 1 on p. 384 of the article. Why did the authors analyze the data using an ANOVA instead of a t test?

Accepted Answer

The answer of Examine the results in Table 1 on...

Quiz 11: Designing, Conducting, Analyzing, and Interpreting Experiments With More Than Two Groups

Which of the following is the FIRST question researchers should ask themselves when considering any experimental design?

A multiple-group experiment often consists of

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Muscularity (M).

Examine the results in Table 1 on p. 384 of the article. Do these results come from an independent-groups design or a correlated-groups design? How do you know?

Miguel conducts a study in which he compares the effectiveness of behavioral therapy, cognitive therapy, humanistic therapy, and psychodynamic therapy to treat phobias. In this study, the independent variable is _____ and it has level(s) .

According to your text, "You find a research idea when you identify a gap in the current knowledge base…" . What was the gap in the knowledge base, according to the authors?

A multiple-group design compares _________ level(s) of the independent variable.

The belief that explanations of phenomena should remain simple until the simple explanations are no longer valid is known as the

Groups of participants that are formed by random assignment are known as _________ groups.

Groups of participants that are related in some way are known as _________ groups.

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Muscularity (F).

Describe in your own words self-discrepancy theory.

What makes "self-discrepancy theory" a theory and not, for instance, a hypothesis?

Participants who receive the IV are referred to as the _________ group.

Examine the Measures section on p. 382 of the article. What is the scale of measurement for the muscularity variable? What is the scale of measurement for the hair color variable?

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Weight (M).

Suppose you know you would like to conduct a one-IV experiment. What is the second question that you need to answer?

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Weight (F).

Examine the results in Table 1 on p. 384 of the article. Why did the authors analyze the data using an ANOVA instead of a t test?

Quiz 11: Designing, Conducting, Analyzing, and Interpreting Experiments With More Than Two Groups

Which of the following is the FIRST question researchers should ask themselves when considering any experimental design?

A multiple-group experiment often consists of

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Muscularity (M).

Examine the results in Table 1 on p. 384 of the article. Do these results come from an independent-groups design or a correlated-groups design? How do you know?

Miguel conducts a study in which he compares the effectiveness of behavioral therapy, cognitive therapy, humanistic therapy, and psychodynamic therapy to treat phobias. In this study, the independent variable is _________ and it has ____ level(s) .

According to your text, "You find a research idea when you identify a gap in the current knowledge base…" . What was the gap in the knowledge base, according to the authors?

A multiple-group design compares _________ level(s) of the independent variable.

The belief that explanations of phenomena should remain simple until the simple explanations are no longer valid is known as the

Groups of participants that are formed by random assignment are known as _________ groups.

Groups of participants that are related in some way are known as _________ groups.

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Muscularity (F).

Describe in your own words self-discrepancy theory.

What makes "self-discrepancy theory" a theory and not, for instance, a hypothesis?

Participants who receive the IV are referred to as the _________ group.

Examine the Measures section on p. 382 of the article. What is the scale of measurement for the muscularity variable? What is the scale of measurement for the hair color variable?

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Weight (M).

Suppose you know you would like to conduct a one-IV experiment. What is the second question that you need to answer?

Examine the results in Table 1 on p. 384 of the article. In APA-format, explain (in words) the results for Weight (F).

Examine the results in Table 1 on p. 384 of the article. Why did the authors analyze the data using an ANOVA instead of a t test?

Miguel conducts a study in which he compares the effectiveness of behavioral therapy, cognitive therapy, humanistic therapy, and psychodynamic therapy to treat phobias. In this study, the independent variable is _____ and it has level(s) .