Question 1

Is the number of children one has a discrete or continuous variable or both)?

Accepted Answer

Technically, the number of children one

Question 2

Which of the following orders lists the scales of measurement from the scale providing the least specific information to the scale providing the most specific information?

Accepted Answer

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

Question 3

In order to make statements about the population from information obtained from a sample, we must use

Accepted Answer

A) an experimental design. 
B) a correlational design. 
C) inferential statistics. 
D) descriptive statistics. 
A) an experimental design. 
B) a correlational design. 
C) inferential statistics. 
D) descriptive statistics.

Question 4

"Watch for me on the football field.I'll be wearing number 32." What scale of measurement is described by this
statement?

Accepted Answer

This repre

Question 5

A researcher investigates whether there is a relationship between participating in school clubs and GPA by comparing GPAs from 40 students who are members of at least one school club with those from 40 students who are not members of a club.What is the independent variable in this study?

Accepted Answer

Participation in clu

Question 6

What do the design of the study and the scale of measurement have in common?

Accepted Answer

A) They are the aspects of a study to consider when deciding whether to conduct statistical analysis. 
B) They are the aspects of a study known only to the researcher. 
C) They are the aspects of a study to consider when deciding which descriptive or inferential statistics to use. 
D) They are the aspects of a study known only after the study is completed. 
A) They are the aspects of a study to consider when deciding whether to conduct statistical analysis. 
B) They are the aspects of a study known only to the researcher. 
C) They are the aspects of a study to consider when deciding which descriptive or inferential statistics to use. 
D) They are the aspects of a study known only after the study is completed.

Question 7

Which of the following studies is best for showing the first variable produces a change 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 has participants 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 has participants 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

What describes where a researcher actively changes or manipulates one variable, measures the scores on another variable, and keeps all other variables constant?

Accepted Answer

The resear

Question 9

Tiffany is conducting an experiment.She is interested in how fifth-grade teachers can motivate boys to read more.With the approval of her state's Board of Education, she is able to attend the annual conference of teachers and have the fifth-grade teachers complete her survey instrument.In this study, what would we consider the fifth-grade teachers at the conference?

Accepted Answer

The answer of Tiffany is conducting an experiment.She is interested...

Question 10

In a/an ________________, the experimenter measures scores on two variables.In a/an ________________ , the experimenter manipulates or changes one variable and measures scores on the other.

Accepted Answer

A) correlational study; research design 
B) research design; experiment 
C) correlational study; experiment 
D) experiment; correlational study 
A) correlational study; research design 
B) research design; experiment 
C) correlational study; experiment 
D) experiment; correlational study

Is the number of children one has a discrete or continuous variable or both)?

Which of the following orders lists the scales of measurement from the scale providing the least specific information to the scale providing the most specific information?

In order to make statements about the population from information obtained from a sample, we must use

"Watch for me on the football field.I'll be wearing number 32." What scale of measurement is described by this statement?

A researcher investigates whether there is a relationship between participating in school clubs and GPA by comparing GPAs from 40 students who are members of at least one school club with those from 40 students who are not members of a club.What is the independent variable in this study?

What do the design of the study and the scale of measurement have in common?

Which of the following studies is best for showing the first variable produces a change in the second variable?

What describes where a researcher actively changes or manipulates one variable, measures the scores on another variable, and keeps all other variables constant?

In a/an , the experimenter measures scores on two variables.In a/an , the experimenter manipulates or changes one variable and measures scores on the other.

Creating and Using Frequency Distributions

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Chi Square and Nonparametric Procedures

Filters

Exam 1: Introduction to Statistics and Research

Is the number of children one has a discrete or continuous variable or both)?

Which of the following orders lists the scales of measurement from the scale providing the least specific information to the scale providing the most specific information?

In order to make statements about the population from information obtained from a sample, we must use

"Watch for me on the football field.I'll be wearing number 32." What scale of measurement is described by this statement?

A researcher investigates whether there is a relationship between participating in school clubs and GPA by comparing GPAs from 40 students who are members of at least one school club with those from 40 students who are not members of a club.What is the independent variable in this study?

What do the design of the study and the scale of measurement have in common?

Which of the following studies is best for showing the first variable produces a change in the second variable?

What describes where a researcher actively changes or manipulates one variable, measures the scores on another variable, and keeps all other variables constant?

In a/an ________________, the experimenter measures scores on two variables.In a/an ________________ , the experimenter manipulates or changes one variable and measures scores on the other.

Creating and Using Frequency Distributions

Summarizing Scores With Measures of Central Tendency

Summarizing Scores With Measures of Variability

Describing Data With Z-Scores and the Normal Curve

Using Probability to Make Decisions About Data

Overview of Statistical Hypothesis Testing: the Z-Test

Hypothesis Testing Using the One-Sample T-Test

Hypothesis Testing Using the Two-Sample T-Test

Describing Relationships Using Correlation and Regression

Hypothesis Testing Using the One-Way Analysis of Variance

Understanding the Two-Way Analysis of Variance

Chi Square and Nonparametric Procedures

Filters

In a/an , the experimenter measures scores on two variables.In a/an , the experimenter manipulates or changes one variable and measures scores on the other.