Question 1

In graphing the results of an experiment,we place the independent variable

Accepted Answer

A) to the left of the independent variable scores. 
B) to the right of the independent variable scores. 
C) on the X axis. 
D) on the Y axis. 
A) to the left of the independent variable scores. 
B) to the right of the independent variable scores. 
C) on the X axis. 
D) on the Y axis.

Question 2

Which of the following is an example of a quantitative variable?

Accepted Answer

A) gender 
B) make of automobile (e.g. ,Ford,Chevy)you drive 
C) eye color 
D) height 
A) gender 
B) make of automobile (e.g. ,Ford,Chevy)you drive 
C) eye color 
D) height

Question 3

Income is an example of a(n)

Accepted Answer

A) independent variable. 
B) dependent variable. 
C) continuous variable. 
D) discrete variable. 
A) independent variable. 
B) dependent variable. 
C) continuous variable. 
D) discrete variable.

Question 4

An instructor investigates whether the end of the chapter questions aid test performance by randomly assigning participants to one of two groups.One group completes half the questions,and another completes all the questions.Performance on a test is measured.The instructor should ask the question:

Accepted Answer

A) Does completing all the questions produce high test performance? 
B) Do students prefer to complete half the questions or all the questions? 
C) Are there consistent changes in the amount of questions answered as a function of test performance? 
D) Are there consistent changes in test performance as a function of number of questions answered? 
A) Does completing all the questions produce high test performance? 
B) Do students prefer to complete half the questions or all the questions? 
C) Are there consistent changes in the amount of questions answered as a function of test performance? 
D) Are there consistent changes in test performance as a function of number of questions answered?

Question 5

"My daughter is four years old." The scale of measurement involved in this statement is

Accepted Answer

A) nominal. 
B) ordinal. 
C) interval. 
D) ratio. 
A) nominal. 
B) ordinal. 
C) interval. 
D) ratio.

Question 6

The variable that is measured under each condition as an experiment is being carried out is called the

Accepted Answer

A) independent variable. 
B) correlational variable. 
C) dependent variable. 
D) extraneous variable. 
A) independent variable. 
B) correlational variable. 
C) dependent variable. 
D) extraneous variable.

Question 7

Which of the following studies is best for showing that the first variable causes changes in the second variable?

Accepted Answer

A) A researcher asks people who are entering the grocery store how hungry they are and then asks them how much they spent on food as they leave the store. 
B) A researcher assigns participants to sleep various amounts of hours and then observes how cranky they are. 
C) A researcher asks participants how well they like to think and how many books they have read in the last 6 months. 
D) A researcher asks participants how many hours per week they listened to Beethoven while growing up and then gives them a math ability test. 
A) A researcher asks people who are entering the grocery store how hungry they are and then asks them how much they spent on food as they leave the store. 
B) A researcher assigns participants to sleep various amounts of hours and then observes how cranky they are. 
C) A researcher asks participants how well they like to think and how many books they have read in the last 6 months. 
D) A researcher asks participants how many hours per week they listened to Beethoven while growing up and then gives them a math ability test.

Question 8

The individuals measured in a sample are called the

Accepted Answer

A) participants. 
B) scores. 
C) population. 
D) observations. 
A) participants. 
B) scores. 
C) population. 
D) observations.

Question 9

Descriptive statistics are always applied to

Accepted Answer

A) true independent variables. 
B) dependent variables. 
C) quasi-independent variables. 
D) conditions. 
A) true independent variables. 
B) dependent variables. 
C) quasi-independent variables. 
D) conditions.

Question 10

If we categorize participants' income as "below poverty level" or "above poverty level" and then measure their general level of happiness,income would be considered a(n)

Accepted Answer

A) continuous variable. 
B) dependent variable. 
C) true independent variable. 
D) quasi-independent variable. 
A) continuous variable. 
B) dependent variable. 
C) true independent variable. 
D) quasi-independent variable.

Question 11

Research is concerned not only with the existence of a relationship,but with the _____ of that relationship.

Accepted Answer

A) individual differences 
B) strength 
C) errors 
D) cause-and-effect 
A) individual differences 
B) strength 
C) errors 
D) cause-and-effect

Question 12

A specific amount or category of the independent variable that creates the specific situation under which the participants' scores on some other variable are measured is called a(n)

Accepted Answer

A) independent variable. 
B) dependent variable. 
C) condition. 
D) statistic. 
A) independent variable. 
B) dependent variable. 
C) condition. 
D) statistic.

Question 13

In graphing,which variable is on the vertical axis?

Accepted Answer

A) The X variable 
B) The Y variable 
C) Conditions of the independent variable 
D) The "given" variable 
A) The X variable 
B) The Y variable 
C) Conditions of the independent variable 
D) The "given" variable

Question 14

The _____ is (are)the overall variable(s)the researcher is investigating,whereas the _____ is (are)the specific category(ies)under which the participant is tested.

Accepted Answer

A) dependent variable;independent variable 
B) independent variable;dependent variable 
C) conditions of an independent variable;independent variable 
D) independent variable;conditions of an independent variable 
A) dependent variable;independent variable 
B) independent variable;dependent variable 
C) conditions of an independent variable;independent variable 
D) independent variable;conditions of an independent variable

Question 15

Which of the following is an example of a qualitative variable?

Accepted Answer

A) weight 
B) IQ 
C) salary 
D) type of detergent you use 
A) weight 
B) IQ 
C) salary 
D) type of detergent you use

Question 16

The dependent variable

Accepted Answer

A) measures a behavior. 
B) influences a behavior. 
C) is manipulated by the researcher. 
D) has two or more conditions or levels. 
A) measures a behavior. 
B) influences a behavior. 
C) is manipulated by the researcher. 
D) has two or more conditions or levels.

Question 17

Which of the following is a variable?

Accepted Answer

A) the number of students in your statistics class today 
B) the date and month of the 4th of July 
C) the height of the players on a basketball team 
D) your latest test score 
A) the number of students in your statistics class today 
B) the date and month of the 4th of July 
C) the height of the players on a basketball team 
D) your latest test score

Question 18

The variable that is systematically changed or manipulated by a researcher in an experiment is called the

Accepted Answer

A) independent variable. 
B) correlational variable. 
C) dependent variable. 
D) extraneous variable. 
A) independent variable. 
B) correlational variable. 
C) dependent variable. 
D) extraneous variable.

Question 19

A researcher investigates whether there is a relationship between type of background music being listened to and responses to a mood inventory by having 60 randomly selected participants complete the mood inventory,with 20 randomly assigned to each of three rooms.In one room classical music is played in the background,in another hard rock music,and in a third country music.The type of background music variable is a(n)

Accepted Answer

A) true independent variable. 
B) quasi-independent variable. 
C) dependent variable. 
D) interval scale. 
A) true independent variable. 
B) quasi-independent variable. 
C) dependent variable. 
D) interval scale.

Question 20

Behavioral scientists study the laws of nature regarding

Accepted Answer

A) populations and samples. 
B) the behavior of living organisms. 
C) sea lions,gorillas,and other nonhuman species. 
D) the language of statistics. 
A) populations and samples. 
B) the behavior of living organisms. 
C) sea lions,gorillas,and other nonhuman species. 
D) the language of statistics.

In graphing the results of an experiment,we place the independent variable

Which of the following is an example of a quantitative variable?

Income is an example of a(n)

An instructor investigates whether the end of the chapter questions aid test performance by randomly assigning participants to one of two groups.One group completes half the questions,and another completes all the questions.Performance on a test is measured.The instructor should ask the question:

"My daughter is four years old." The scale of measurement involved in this statement is

The variable that is measured under each condition as an experiment is being carried out is called the

Which of the following studies is best for showing that the first variable causes changes in the second variable?

The individuals measured in a sample are called the

Descriptive statistics are always applied to

If we categorize participants' income as "below poverty level" or "above poverty level" and then measure their general level of happiness,income would be considered a(n)

Research is concerned not only with the existence of a relationship,but with the _____ of that relationship.

A specific amount or category of the independent variable that creates the specific situation under which the participants' scores on some other variable are measured is called a(n)

In graphing,which variable is on the vertical axis?

The _ is (are)the overall variable(s)the researcher is investigating,whereas the _ is (are)the specific category(ies)under which the participant is tested.

Which of the following is an example of a qualitative variable?

The dependent variable

Which of the following is a variable?

The variable that is systematically changed or manipulated by a researcher in an experiment is called the

Behavioral scientists study the laws of nature regarding

Introduction to Statistics

Frequency Distributions and Percentiles

Measures of Central Tendency;the Mean, median, and Mode

Measures of Variability: Range, variance, and Standard Deviation

Z-Scores and the Normal Curve

The Correlation Coefficient

Linear Regression

Using Probability to Make Decisions About Data

Introduction to Hypothesis Testing

Performing the One-Sample T-Test and Testing Correlation Coefficients

The Two-Sample T-Test

The One-Way Analysis of Variance

The Two-Way Analysis of Variance

Chi Square and Other Nonparametric Procedures

Filters

Exam 2: Statistics and the Research Process

In graphing the results of an experiment,we place the independent variable

Which of the following is an example of a quantitative variable?

Income is an example of a(n)

An instructor investigates whether the end of the chapter questions aid test performance by randomly assigning participants to one of two groups.One group completes half the questions,and another completes all the questions.Performance on a test is measured.The instructor should ask the question:

"My daughter is four years old." The scale of measurement involved in this statement is

The variable that is measured under each condition as an experiment is being carried out is called the

Which of the following studies is best for showing that the first variable causes changes in the second variable?

The individuals measured in a sample are called the

Descriptive statistics are always applied to

If we categorize participants' income as "below poverty level" or "above poverty level" and then measure their general level of happiness,income would be considered a(n)

Research is concerned not only with the existence of a relationship,but with the _____ of that relationship.

A specific amount or category of the independent variable that creates the specific situation under which the participants' scores on some other variable are measured is called a(n)

In graphing,which variable is on the vertical axis?

The _____ is (are)the overall variable(s)the researcher is investigating,whereas the _____ is (are)the specific category(ies)under which the participant is tested.

Which of the following is an example of a qualitative variable?

The dependent variable

Which of the following is a variable?

The variable that is systematically changed or manipulated by a researcher in an experiment is called the

Behavioral scientists study the laws of nature regarding

Introduction to Statistics

Frequency Distributions and Percentiles

Measures of Central Tendency;the Mean, median, and Mode

Measures of Variability: Range, variance, and Standard Deviation

Z-Scores and the Normal Curve

The Correlation Coefficient

Linear Regression

Using Probability to Make Decisions About Data

Introduction to Hypothesis Testing

Performing the One-Sample T-Test and Testing Correlation Coefficients

The Two-Sample T-Test

The One-Way Analysis of Variance

The Two-Way Analysis of Variance

Chi Square and Other Nonparametric Procedures

Filters

The _ is (are)the overall variable(s)the researcher is investigating,whereas the _ is (are)the specific category(ies)under which the participant is tested.