Question 1

To calculate the mode of the data scores, you would:

Accepted Answer

A)  Summarize the data sample scores and then average them 
B)  List the data sample scores scores and look for the midpoint of them 
C)  Look for the most frequently occurring score in the data sample 
D)  None of the above 
A)  Summarize the data sample scores and then average them 
B)  List the data sample scores scores and look for the midpoint of them 
C)  Look for the most frequently occurring score in the data sample 
D)  None of the above C

Question 2

Which of the following types of graphs would be used to represent a categorical variable (data measured with a nominal or an ordinal scale)?

Accepted Answer

A)  Bar chart 
B)  Frequency polygon 
C)  Histogram 
D)  None of these 
A)  Bar chart 
B)  Frequency polygon 
C)  Histogram 
D)  None of these A

Question 3

Which of the following types of graphs would be used to represent a continuous variable (data measured with an interval or ratio scale)?

Accepted Answer

A)  Bar chart 
B)  Pie chart 
C)  Histogram 
D)  All of the above 
A)  Bar chart 
B)  Pie chart 
C)  Histogram 
D)  All of the above C

Question 4

Given the hypothesis: "Debate viewing increases the level of issue knowledge," choose the correct descriptor:

Accepted Answer

A)  One-tailed hypothesis and non-directional 
B)  Two-tailed hypothesis and non-directional 
C)  One-tailed hypothesis and directional 
D)  Two-tailed hypothesis and directional
Essays: 
A)  One-tailed hypothesis and non-directional 
B)  Two-tailed hypothesis and non-directional 
C)  One-tailed hypothesis and directional 
D)  Two-tailed hypothesis and directional
Essays:

Question 5

Compare and contrast descriptive and inferential statistics. What kinds of visual representations and statistical tests are associated with each type of statistic?

Accepted Answer

Descriptive and inferential st

Question 6

This kind of distribution indicates that not much score variation is happening in the data distribution:

Accepted Answer

A)  Positively skewed curve 
B)  Negatively skewed curve 
C)  Peaked or leptokurtic curve 
D)  Flat or platykurtic curve 
A)  Positively skewed curve 
B)  Negatively skewed curve 
C)  Peaked or leptokurtic curve 
D)  Flat or platykurtic curve

Question 7

When the researchers measured communication apprehension they found that most people fall in the midsection of the bell shaped curve. This is called:

Accepted Answer

A)  Population distribution 
B)  Normal Curve 
C)  Positively Skewed 
D)  Negatively Skewed 
A)  Population distribution 
B)  Normal Curve 
C)  Positively Skewed 
D)  Negatively Skewed

Question 8

The researchers decide to reject the null hypothesis, but should not have. This is called a:

Accepted Answer

A)  Type I error 
B)  Type II error 
C)  Measurement error 
D)  Sampling error 
A)  Type I error 
B)  Type II error 
C)  Measurement error 
D)  Sampling error

Question 9

Given the following, choose the correct descriptor: "Are there fewer central angle shots in women's televised basketball games than in men's televised basketball games?"

Accepted Answer

A)  Directional hypothesis 
B)  Nondirectional hypothesis 
C)  Directional research question 
D)  Nondirectional research question 
A)  Directional hypothesis 
B)  Nondirectional hypothesis 
C)  Directional research question 
D)  Nondirectional research question

Question 10

In determining a test of correlation, a researcher obtained an rxy = +0.76 at p < .01 between a communication competence measure and frequency of contact among dating partners. Which of the following statements are true about this test?

Accepted Answer

A)  This is a parametric test 
B)  This is a causal test 
C)  This is a test of difference between two groups 
D)  All of these statements are true 
A)  This is a parametric test 
B)  This is a causal test 
C)  This is a test of difference between two groups 
D)  All of these statements are true

Question 11

What is a null hypothesis? How does it relate to Type I error and Type II error? How can researchers avoid these errors when making decisions about their results?

Accepted Answer

Null hypotheses and Type I and

Question 12

Which of the following abnormal distribution shapes is an indication of bias or constant error?

Accepted Answer

A)  Positively skewed curve 
B)  Negatively skewed curve 
C)  Peaked or leptokurtic curve 
D)  All of the above 
A)  Positively skewed curve 
B)  Negatively skewed curve 
C)  Peaked or leptokurtic curve 
D)  All of the above

Question 13

A frequency distribution shows

Accepted Answer

A)  The way scores are distributed along the y-axis 
B)  The way scores are distributed along the x-axis 
C)  The way scores are distributed in a pie chart 
D)  The way scores are distributed in a bar chart 
A)  The way scores are distributed along the y-axis 
B)  The way scores are distributed along the x-axis 
C)  The way scores are distributed in a pie chart 
D)  The way scores are distributed in a bar chart

Question 14

This measure of dispersion is the best indicator of the total amount of variation within a given sample:

Accepted Answer

A)  Standard deviation 
B)  Range 
C)  Variance 
D)  Mode 
A)  Standard deviation 
B)  Range 
C)  Variance 
D)  Mode

Question 15

High school students exposed to a life skills curriculum reported higher levels of interaction with their parents than students who were not exposed to the curriculum. The tobt was 8.92 at p < .001. Which of the following statements are true about this test?

Accepted Answer

A)  This is a parametric test 
B)  This is a causal test 
C)  This is a test of difference between two groups 
D)  All of these statements are true 
A)  This is a parametric test 
B)  This is a causal test 
C)  This is a test of difference between two groups 
D)  All of these statements are true

Question 16

Descriptive statistics provide a numeric or visual description of

Accepted Answer

A)  The sampling frame being studied 
B)  The collected sample being studied 
C)  The population being studied 
D)  All of the above 
A)  The sampling frame being studied 
B)  The collected sample being studied 
C)  The population being studied 
D)  All of the above

Question 17

Which of the following statistics is NOT a test of group differences?

Accepted Answer

A)  Chi-square 
B)  t-test 
C)  ANOVA 
D)  Regression 
A)  Chi-square 
B)  t-test 
C)  ANOVA 
D)  Regression

Question 18

Which of the following statistics is NOT a parametric test?

Accepted Answer

A)  Chi-square 
B)  t-test 
C)  ANOVA 
D)  Regression 
A)  Chi-square 
B)  t-test 
C)  ANOVA 
D)  Regression

Question 19

A researcher predicts, "Average number of emails received per day is related to perceived information overload." Which type of hypothesis is it?

Accepted Answer

A)  One-tailed hypothesis and non-directional 
B)  Two-tailed hypothesis and non-directional 
C)  One-tailed hypothesis and directional 
D)  Two-tailed hypothesis and directional 
A)  One-tailed hypothesis and non-directional 
B)  Two-tailed hypothesis and non-directional 
C)  One-tailed hypothesis and directional 
D)  Two-tailed hypothesis and directional

Question 20

Given the following: "What is the relationship between grade-point-average and test anxiety?" -choose the correct descriptor.

Accepted Answer

A)  Directional hypothesis 
B)  Nondirectional hypothesis 
C)  Directional research question 
D)  Nondirectional research question 
A)  Directional hypothesis 
B)  Nondirectional hypothesis 
C)  Directional research question 
D)  Nondirectional research question

To calculate the mode of the data scores, you would:

Which of the following types of graphs would be used to represent a categorical variable (data measured with a nominal or an ordinal scale)?

Which of the following types of graphs would be used to represent a continuous variable (data measured with an interval or ratio scale)?

Given the hypothesis: "Debate viewing increases the level of issue knowledge," choose the correct descriptor:

Compare and contrast descriptive and inferential statistics. What kinds of visual representations and statistical tests are associated with each type of statistic?

This kind of distribution indicates that not much score variation is happening in the data distribution:

When the researchers measured communication apprehension they found that most people fall in the midsection of the bell shaped curve. This is called:

The researchers decide to reject the null hypothesis, but should not have. This is called a:

Given the following, choose the correct descriptor: "Are there fewer central angle shots in women's televised basketball games than in men's televised basketball games?"

In determining a test of correlation, a researcher obtained an r_xy = +0.76 at p < .01 between a communication competence measure and frequency of contact among dating partners. Which of the following statements are true about this test?

What is a null hypothesis? How does it relate to Type I error and Type II error? How can researchers avoid these errors when making decisions about their results?

Which of the following abnormal distribution shapes is an indication of bias or constant error?

A frequency distribution shows

This measure of dispersion is the best indicator of the total amount of variation within a given sample:

High school students exposed to a life skills curriculum reported higher levels of interaction with their parents than students who were not exposed to the curriculum. The t_obt was 8.92 at p < .001. Which of the following statements are true about this test?

Descriptive statistics provide a numeric or visual description of

Which of the following statistics is NOT a test of group differences?

Which of the following statistics is NOT a parametric test?

A researcher predicts, "Average number of emails received per day is related to perceived information overload." Which type of hypothesis is it?

Given the following: "What is the relationship between grade-point-average and test anxiety?" -choose the correct descriptor.

Introduction to Communication Research

Three Paradigms of Knowing

Ethics and Research

Making Arguments for Association and Causality

Measuring and Designing Quantitative Social Science Research

Experimental Research: Predicting Causes and Effects

Survey Research: Explaining and Predicting Attitudes and Behaviors

Content Analysis: Explaining and Interpreting Message Categories

Conversation Analysis: Explaining Talks Structure and Function

Making Arguments for Multiple Plausible Realities

Interview and Focus Groups: Interpreting Guided Responses

Ethnography: Interpreting and Evaluating Cultural Communication

Discourse Analysis: Interpreting Evaluating Language-In-Use

Rhetorical Criticism: How to Interpret Persuasive Texts and Artifacts

Critical Studies: Evaluating and Reforming Ideologies

Filters

Exam 9: Analyzing and Interpreting Quantitative Data

To calculate the mode of the data scores, you would:

Which of the following types of graphs would be used to represent a categorical variable (data measured with a nominal or an ordinal scale)?

Which of the following types of graphs would be used to represent a continuous variable (data measured with an interval or ratio scale)?

Given the hypothesis: "Debate viewing increases the level of issue knowledge," choose the correct descriptor:

Compare and contrast descriptive and inferential statistics. What kinds of visual representations and statistical tests are associated with each type of statistic?

This kind of distribution indicates that not much score variation is happening in the data distribution:

When the researchers measured communication apprehension they found that most people fall in the midsection of the bell shaped curve. This is called:

The researchers decide to reject the null hypothesis, but should not have. This is called a:

Given the following, choose the correct descriptor: "Are there fewer central angle shots in women's televised basketball games than in men's televised basketball games?"

In determining a test of correlation, a researcher obtained an rxy = +0.76 at p < .01 between a communication competence measure and frequency of contact among dating partners. Which of the following statements are true about this test?

What is a null hypothesis? How does it relate to Type I error and Type II error? How can researchers avoid these errors when making decisions about their results?

Which of the following abnormal distribution shapes is an indication of bias or constant error?

A frequency distribution shows

This measure of dispersion is the best indicator of the total amount of variation within a given sample:

High school students exposed to a life skills curriculum reported higher levels of interaction with their parents than students who were not exposed to the curriculum. The tobt was 8.92 at p < .001. Which of the following statements are true about this test?

Descriptive statistics provide a numeric or visual description of

Which of the following statistics is NOT a test of group differences?

Which of the following statistics is NOT a parametric test?

A researcher predicts, "Average number of emails received per day is related to perceived information overload." Which type of hypothesis is it?

Given the following: "What is the relationship between grade-point-average and test anxiety?" -choose the correct descriptor.

Introduction to Communication Research

Three Paradigms of Knowing

Ethics and Research

Making Arguments for Association and Causality

Measuring and Designing Quantitative Social Science Research

Experimental Research: Predicting Causes and Effects

Survey Research: Explaining and Predicting Attitudes and Behaviors

Content Analysis: Explaining and Interpreting Message Categories

Conversation Analysis: Explaining Talks Structure and Function

Making Arguments for Multiple Plausible Realities

Interview and Focus Groups: Interpreting Guided Responses

Ethnography: Interpreting and Evaluating Cultural Communication

Discourse Analysis: Interpreting Evaluating Language-In-Use

Rhetorical Criticism: How to Interpret Persuasive Texts and Artifacts

Critical Studies: Evaluating and Reforming Ideologies

Filters

In determining a test of correlation, a researcher obtained an r_xy = +0.76 at p < .01 between a communication competence measure and frequency of contact among dating partners. Which of the following statements are true about this test?

High school students exposed to a life skills curriculum reported higher levels of interaction with their parents than students who were not exposed to the curriculum. The t_obt was 8.92 at p < .001. Which of the following statements are true about this test?