Chapter 12: Analyzing Data on Families and Children

Test Bank

Multiple Choice

1. Which of the following measures would include the standard deviation of a sample?

A. measures of association

B. measures of variability

C. inferential statistics

D. central tendency measures

Cognitive Domain: Knowledge

Answer Location: Measures of Variability

Difficulty Level: Easy

2. If a researcher is interested in how two variables are related to each other, then they will most likely look at the ______.

A. measures of association

B. measures of variability

C. inferential statistics

D. central tendency measures

Cognitive Domain: Knowledge

Answer Location: Measures of Association

Difficulty Level: Easy

3. The ______ of the sample tells us which score appeared the most.

A. mean

B. variance

C. mode

D. median

Cognitive Domain: Knowledge

Answer Location: Measures of Central Tendency

Difficulty Level: Easy

4. Lambda and the uncertainty coefficient are most likely reported for variables measured at the ______ level.

A. nominal

B. ratio

C. interval

D. ordinal

Cognitive Domain: Knowledge

Answer Location: Measures of Association

Difficulty Level: Easy

5. Which of the following variables are most likely to be included in a cross-classification table?

A. ratio

B. quantitative

C. interval

D. categorical

Cognitive Domain: Comprehension

Answer Location: Interpreting Cross-Classification Tables

Difficulty Level: Medium

6. Cross-classification tables are used to do which of the following?

A. explore the effects of one independent variable

B. report the average scores in a sample

C. show the distribution of a sample

D. examine the relationship between two variables

Cognitive Domain: Knowledge

Answer Location: Interpreting Cross-Classification Tables

Difficulty Level: Easy

7. Why would a researcher use inferential statistics?

A. to choose a data collection method

B. to learn more about a population from the sample data

C. to learn about the distribution of the sample data

D. to learn more characteristics of the sample data

Cognitive Domain: Comprehension

Answer Location: Inferential Statistics

Difficulty Level: Medium

8. Which value shows how likely it would be to obtain research results if they had occurred by chance?

A. statistical significance

B. chi-squared

C. lambda

D. substantive significance

Cognitive Domain: Knowledge

Answer Location: Inferential Statistics

Difficulty Level: Easy

9. When conducting multiple regression analysis, researchers are most likely going to be interested in the ______ value.

A. chi-squared

B. statistical significance

C. t-statistic

D. R²

Cognitive Domain: Comprehension

Answer Location: Multiple-Regression Analysis

Difficulty Level: Medium

10. ______ tells researchers how well they can predict the value of the dependent variable based on the independent variables they have included.

A. Chi-squared

B. Statistical significance

C. T-statistic

D. R²

Cognitive Domain: Knowledge

Answer Location: Multiple-Regression Analysis

Difficulty Level: Easy

True/False

1. Standard deviation is only applicable to variables that are measured at interval or ratio levels.

Cognitive Domain: Knowledge

Answer Location: Measures of Variability

Difficulty Level: Easy

2. Inferential statistics are the most helpful for researchers who want to summarize their data.

Cognitive Domain: Comprehension

Answer Location: Descriptive Statistics

Difficulty Level: Medium

3. It is easy to find perfect associations in real-world data if the variables are chosen carefully.

Cognitive Domain: Knowledge

Answer Location: Descriptive Statistics

Difficulty Level: Easy

4. The chi-squared test shows how well a sample represents the associations in the population.

Cognitive Domain: Knowledge

Answer Location: The Chi-Squared Test

Difficulty Level: Easy

5. The t test is able to compare two sample means and their variances.

Cognitive Domain: Knowledge

Answer Location: Tests for Means

Difficulty Level: Easy