Question 1

In a positive correlation,

Accepted Answer

A) high scores on one variable are accompanied by high scores on the second variable 
B) low scores on one variable are accompanied by low scores on the second variable 
C) high scores on one variable are accompanied by low scores on the second variable 
D) both alternatives a. and b. 
A) high scores on one variable are accompanied by high scores on the second variable 
B) low scores on one variable are accompanied by low scores on the second variable 
C) high scores on one variable are accompanied by low scores on the second variable 
D) both alternatives a. and b.

Question 2

Which of the following would be most likely to produce a negative correlation?

Accepted Answer

A) the relationship between college grades and parents' IQ 
B) the relationship between college grades and total TV watching time 
C) the relationship between college grades and high school grades 
D) the relationship between college grades and time spent in library 
A) the relationship between college grades and parents' IQ 
B) the relationship between college grades and total TV watching time 
C) the relationship between college grades and high school grades 
D) the relationship between college grades and time spent in library

Question 3

A ______ variable is one that helps explain under what conditions a correlation between two variables exists.

Accepted Answer

A) predictor 
B) criterion 
C) mediating 
D) moderating 
A) predictor 
B) criterion 
C) mediating 
D) moderating

Question 4

When magazines report the results of reader surveys, what is the major weakness?

Accepted Answer

A) self selection 
B) low number of returns 
C) use of nonprobability rather than probability sampling techniques 
D) they fail to survey the entire population 
A) self selection 
B) low number of returns 
C) use of nonprobability rather than probability sampling techniques 
D) they fail to survey the entire population

Question 5

A study using a cross-lagged panel correlation helps to solve the _______ problem.

Accepted Answer

A) third variable 
B) restriction of range 
C) directionality 
D) multiple regression 
A) third variable 
B) restriction of range 
C) directionality 
D) multiple regression

Question 6

A researcher discovers a correlation of +.87 between study time and GPA. What can be concluded?

Accepted Answer

A) if you study a lot, your GPA will go up 
B) if you have a high GPA, you will be forced to study more to keep up 
C) students who study a lot tend to have higher GPAs than those who don't study much 
D) the underlying cause of the correlation is native intelligence 
A) if you study a lot, your GPA will go up 
B) if you have a high GPA, you will be forced to study more to keep up 
C) students who study a lot tend to have higher GPAs than those who don't study much 
D) the underlying cause of the correlation is native intelligence

Question 7

Which of the following is true about return rates for mailed surveys?

Accepted Answer

A) anything less than 100% creates problems for interpretation 
B) researchers are happy with return rates between 70% and 85% 
C) as long as the total number of replies is large (>100), the rate is return is irrelevant 
D) if less than 80%, representativeness is a serious problem 
A) anything less than 100% creates problems for interpretation 
B) researchers are happy with return rates between 70% and 85% 
C) as long as the total number of replies is large (>100), the rate is return is irrelevant 
D) if less than 80%, representativeness is a serious problem

In a positive correlation,

Which of the following would be most likely to produce a negative correlation?

A ______ variable is one that helps explain under what conditions a correlation between two variables exists.

When magazines report the results of reader surveys, what is the major weakness?

A study using a cross-lagged panel correlation helps to solve the _______ problem.

A researcher discovers a correlation of +.87 between study time and GPA. What can be concluded?

Which of the following is true about return rates for mailed surveys?

Scientific Thinking in Psychology

Ethics in Psychological Research

Developing Ideas for Research in Psychology

Sampling, Measurement, and Hypothesis Testing

Introduction to Experimental Research

Methodological Control in Experimental Research

Experimental Design I: Single-Factor Designs

Experimental Design II: Factorial Designs

Non-Experimental Design II: Observational and Archival Methods

Quasi-Experimental Designs and Applied Research

Small N Designs

Filters

Exam 9: Non-Experimental Design I: Survey Methods

In a positive correlation,

Which of the following would be most likely to produce a negative correlation?

A ______ variable is one that helps explain under what conditions a correlation between two variables exists.

When magazines report the results of reader surveys, what is the major weakness?

A study using a cross-lagged panel correlation helps to solve the _______ problem.

A researcher discovers a correlation of +.87 between study time and GPA. What can be concluded?

Which of the following is true about return rates for mailed surveys?

Scientific Thinking in Psychology

Ethics in Psychological Research

Developing Ideas for Research in Psychology

Sampling, Measurement, and Hypothesis Testing

Introduction to Experimental Research

Methodological Control in Experimental Research

Experimental Design I: Single-Factor Designs

Experimental Design II: Factorial Designs

Non-Experimental Design II: Observational and Archival Methods

Quasi-Experimental Designs and Applied Research

Small N Designs

Filters