Question 1

A controlled test of a hypothesis,in which the researcher manipulates one variable in order to discover its effect on another variable,is called a/an:

Accepted Answer

A)  single-blind study.
B)  control condition.
C)  correlational study.
D)  experiment.E) B) and C)
F) None of the above

Question 2

An advantage of correlation is that:

Accepted Answer

A)  it shows whether two or more variables are related.
B)  firm conclusions about cause and effect can be drawn.
C)  it is often useful in the first stages of a research program.
D)  it provides a large amount of information on large numbers of people.E) B) and C)
F) C) and D)

Question 3

With respect to assessment instruments,when test scores are consistent they are referred to as ________,whereas the term ________ means that the test scores accurately reflect what is being measured.

Accepted Answer

A)  valid; reliable
B)  valid; standardized
C)  consistent; reliable
D)  reliable; validE) A) and D)
F) A) and C)

Question 4

The arithmetic mean is an average that is calculated by adding up a set of quantities and dividing the sum by the total number of quantities in the set.

Accepted Answer

A) True 
 B)False

Exam 2: How Psychologists Do Research

An advantage of correlation is that:

Correct Answer
verified

A controlled test of a hypothesis,in which the researcher manipulates one variable in order to discover its effect on another variable,is called a/an:

Correct Answer
verified

The arithmetic mean is an average that is calculated by adding up a set of quantities and dividing the sum by the total number of quantities in the set.

Correct Answer
verified

With respect to assessment instruments,when test scores are consistent they are referred to as ,whereas the term means that the test scores accurately reflect what is being measured.

Correct Answer
verified

Exam 2: How Psychologists Do Research

An advantage of correlation is that:

Correct AnswerverifiedShow Answer

A controlled test of a hypothesis,in which the researcher manipulates one variable in order to discover its effect on another variable,is called a/an:

Correct AnswerverifiedShow Answer

The arithmetic mean is an average that is calculated by adding up a set of quantities and dividing the sum by the total number of quantities in the set.

Correct AnswerverifiedShow Answer

With respect to assessment instruments,when test scores are consistent they are referred to as ________,whereas the term ________ means that the test scores accurately reflect what is being measured.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

With respect to assessment instruments,when test scores are consistent they are referred to as ,whereas the term means that the test scores accurately reflect what is being measured.

Correct Answer
verified