Question 1

The distribution across the center of a curve can be measured three ways.What are they?

Accepted Answer

range,perc

Question 2

When coding categories of variables it is essential to keep written records of coding rules in a

Accepted Answer

A) diary. 
B) research log. 
C) video tape. 
D) codebook. 
A) diary. 
B) research log. 
C) video tape. 
D) codebook.

Question 3

Discuss three measures of central tendencyNmean,median,mode.Which is the most widely used?

Accepted Answer

Central tendency is one number that summ

Question 4

After coding,a researcher needs to

Accepted Answer

A) write the research paper. 
B) design a new trial. 
C) finish the research. 
D) clean the data. 
A) write the research paper. 
B) design a new trial. 
C) finish the research. 
D) clean the data.

Question 5

Discuss measurements used in distribution around the center of a curve: range,percentile,standard deviation,and Z-score.

Accepted Answer

Range is simplest,it consists of the lar

Question 6

A skewed distribution has

Accepted Answer

A) the mean,median and mode exactly in the center of the bell curve. 
B) has many cases at extremes of the curve. 
C) is in the shape of a cup,otherwise known as a cup curve. 
D) six curves stacked sideways across the field. 
A) the mean,median and mode exactly in the center of the bell curve. 
B) has many cases at extremes of the curve. 
C) is in the shape of a cup,otherwise known as a cup curve. 
D) six curves stacked sideways across the field.

Question 7

The results of Dr.Mottleȇs study indicate a level of statistical significance at the .01 level.What does this mean?

Accepted Answer

A) Results like these are due to chance factors only 1 in 100 times. 
B) There is a 95 percent chance that the sample results are not due to chance factors alone. 
C) The odds of such results based on chance alone are .05. 
D) One can be 95 percent confident that the results are due to a real relationship in the population. 
A) Results like these are due to chance factors only 1 in 100 times. 
B) There is a 95 percent chance that the sample results are not due to chance factors alone. 
C) The odds of such results based on chance alone are .05. 
D) One can be 95 percent confident that the results are due to a real relationship in the population.

Question 8

The___________of statistical significance tells the researcher the likelihood that results are due to chance factors - that is,that a relationship appears in the sample when there is none in the population.

Accepted Answer

The answer of The___________of statistical significance tells the researcher the...

Question 9

What does an .01 level of significance mean?

Accepted Answer

It means that results are due to chance

Question 10

Covariation and statistical independence are the same concept.

Accepted Answer

A) True 
 B)False

Question 11

Variation can be measured in three ways: range,percentile,and

Accepted Answer

A) mean. 
B) median. 
C) standard deviation. 
D) mode. 
A) mean. 
B) median. 
C) standard deviation. 
D) mode.

Question 12

R-squared in multiple regression analysis is

Accepted Answer

A) always 20 percent. 
B) considered good if it is at least .50. 
C) based on improvement over zero. 
D) never a helpful measurement. 
A) always 20 percent. 
B) considered good if it is at least .50. 
C) based on improvement over zero. 
D) never a helpful measurement.

Question 13

What are three measures of central tendency?

Accepted Answer

The answer of What are three measures of central tendency?...

Question 14

A researcher gathering his/her own data needs to convert raw data into a computer friendly format or engage in data coding.

Accepted Answer

A) True 
 B)False

Question 15

If the level of significance is 0.001,this means that the results are due to chance factors 1 in
times?

Accepted Answer

The answer of If the level of significance is 0.001,this...

Question 16

Scattergrams can determine linear relationships.A positive relationship

Accepted Answer

A) is not possible. 
B) is circular in shape. 
C) looks like a diagonal line that begins in the lower left and goes to the upper right. 
D) looks like a diagonal line that begins in the upper left and goes to the lower right. 
A) is not possible. 
B) is circular in shape. 
C) looks like a diagonal line that begins in the lower left and goes to the upper right. 
D) looks like a diagonal line that begins in the upper left and goes to the lower right.

Question 17

This measure of central tendency requires that one half of the variables are above it and half are below it on a curve.This is called the___________.

Accepted Answer

The answer of This measure of central tendency requires that...

Question 18

Mr.Marsh lost his codebook at a meeting.Is this a problem? If so,why?

Accepted Answer

Yes,his codebook let

Question 19

The plot of a positive directional relationship on a scattergram looks like a diagonal line that begins in the lower left and goes to the upper right.

Accepted Answer

A) True 
 B)False

Question 20

______________________is one of the most widely used statistical techniques for nonexperimental data analysis in professional research reports.

Accepted Answer

Multiple r

The distribution across the center of a curve can be measured three ways.What are they?

When coding categories of variables it is essential to keep written records of coding rules in a

Discuss three measures of central tendencyNmean,median,mode.Which is the most widely used?

After coding,a researcher needs to

Discuss measurements used in distribution around the center of a curve: range,percentile,standard deviation,and Z-score.

A skewed distribution has

The results of Dr.Mottleȇs study indicate a level of statistical significance at the .01 level.What does this mean?

The___________of statistical significance tells the researcher the likelihood that results are due to chance factors - that is,that a relationship appears in the sample when there is none in the population.

What does an .01 level of significance mean?

Covariation and statistical independence are the same concept.

Variation can be measured in three ways: range,percentile,and

R-squared in multiple regression analysis is

What are three measures of central tendency?

A researcher gathering his/her own data needs to convert raw data into a computer friendly format or engage in data coding.

If the level of significance is 0.001,this means that the results are due to chance factors 1 in times?

Scattergrams can determine linear relationships.A positive relationship

This measure of central tendency requires that one half of the variables are above it and half are below it on a curve.This is called the___________.

Mr.Marsh lost his codebook at a meeting.Is this a problem? If so,why?

The plot of a positive directional relationship on a scattergram looks like a diagonal line that begins in the lower left and goes to the upper right.

______________________is one of the most widely used statistical techniques for nonexperimental data analysis in professional research reports.

Why Do Research

Planning a Study

Becoming an Ethical Researcher

Sampling, How to Select a Few to Represent the Many

Measuring Social Life, How Many How Much What Type

The Survey: Asking People Questions

The Experiment

Research With Non-Reactive Measures

Observing People in Natural Settings

Looking at the Past and Across Cultures

Writing a Research Report

Filters

Exam 9: Making Sense of the Numbers

The distribution across the center of a curve can be measured three ways.What are they?

When coding categories of variables it is essential to keep written records of coding rules in a

Discuss three measures of central tendencyNmean,median,mode.Which is the most widely used?

After coding,a researcher needs to

Discuss measurements used in distribution around the center of a curve: range,percentile,standard deviation,and Z-score.

A skewed distribution has

The results of Dr.Mottleȇs study indicate a level of statistical significance at the .01 level.What does this mean?

The___________of statistical significance tells the researcher the likelihood that results are due to chance factors - that is,that a relationship appears in the sample when there is none in the population.

What does an .01 level of significance mean?

Covariation and statistical independence are the same concept.

Variation can be measured in three ways: range,percentile,and

R-squared in multiple regression analysis is

What are three measures of central tendency?

A researcher gathering his/her own data needs to convert raw data into a computer friendly format or engage in data coding.

If the level of significance is 0.001,this means that the results are due to chance factors 1 in times?

Scattergrams can determine linear relationships.A positive relationship

This measure of central tendency requires that one half of the variables are above it and half are below it on a curve.This is called the___________.

Mr.Marsh lost his codebook at a meeting.Is this a problem? If so,why?

The plot of a positive directional relationship on a scattergram looks like a diagonal line that begins in the lower left and goes to the upper right.

______________________is one of the most widely used statistical techniques for nonexperimental data analysis in professional research reports.

Why Do Research

Planning a Study

Becoming an Ethical Researcher

Sampling, How to Select a Few to Represent the Many

Measuring Social Life, How Many How Much What Type

The Survey: Asking People Questions

The Experiment

Research With Non-Reactive Measures

Observing People in Natural Settings

Looking at the Past and Across Cultures

Writing a Research Report

Filters