Question 1 (15 points)

Saved

What does it mean if two variables have a positive correlation?

Question 1 options:

	As one variable increases, the other decreases
	The correlation between the two variables is greater than 1.0
	As one variable increases, so does the other
	The correlation between the two variables is 0

Question 2 (15 points)

How can we determine if a test has good validity?

Question 2 options:

	It measures what it is supposed to measure
	It produces the same result no matter which version of the test is used
	It produces the same result when it is given at different times to the same group of people
	All of the questions on it can be answered accurately by the subject

Question 3 (15 points)

What is the variable called that a researcher manipulates in an experiment?

Question 3 options:

	Independent variable
	Dependent variable
	None of the above
	Extraneous variable

Question 4 (15 points)

Which of the following is a research method that allows a researcher to get information about a large number of subjects relatively inexpensively and easily?

Question 4 options:

	Survey
	Naturalistic observation
	Case study
	Laboratory observation

Question 5 (15 points)

What is a common way of controlling extraneous variables in an experiment?

Question 5 options:

	Double-blind procedure
	Single-blind procedure
	Using animal subjects
	Random assignment

Question 6 (15 points)

When doing research involving deception with human subjects, researchers have an obligation to do which of the following?

Question 6 options:

	All of the above
	Prevent mental and physical harm to subjects
	Let subjects withdraw from the study at any time if they dont want to keep participating
	Tell subjects the truth about the studys purpose and methods after the study is completed

Question 7 (15 points)

Good scientific research must have precise hypotheses, replicability, falsifiable theories and hypotheses, and parsimonious explanations.

Question 7 options:

	True
	False

Question 8 (15 points)

Self-report data can be misleading, and therefore not reliable in research. Why?

Question 8 options:

	All of the above
	People may not always understand the questions asked
	People sometimes intentionally lie
	People may sometimes give answers based on wishful thinking

Question 9 (15 points)

We can always draw cause-and-effect conclusions about correlative data.

Question 9 options:

	True
	False

Question 10 (15 points)

If a result is statistically significant, it is probably not due to chance.

Question 10 options:

	True
	False

Question 11 (15 points)

Researchers use inferential statistics to determine the likelihood that a result is due simply to chance.

Question 11 options:

	True
	False

Question 12 (15 points)

Scientific method is a standardized way of making observations, gathering data, forming theories, testing predictions, and interpreting results.

Question 12 options:

	True
	False

Question 13 (15 points)

A positive correlation means that when one variable increases, the other one decreases.

Question 13 options:

	True
	False

Question 14 (15 points)

Content validity is a tests ability to measure all the important aspects of the characteristic being measured.

Question 14 options:

	True
	False

Question 15 (15 points)

Experimenter bias occurs when researchers preferences or expectations influence the outcome of their research.

Question 15 options:

	True
	False

Question 16 (15 points)

How can we determine if a test has good validity?

Question 16 options:

	It produces the same result when it is given at different times to the same group of people
	It measures what it is supposed to measure
	It produces the same result no matter which version of the test is used
	All of the questions on it can be answered accurately by the subject

Question 17 (15 points)

All things being equal, which design is more likely to result in a statistically significant effect?

Question 17 options:

	Repeated measures
	Independent groups

Question 18 (15 points)

A study conducted outside the confines of a standard laboratory/classroom is called a:

Question 18 options:

	field experiment
	meta-analysis
	mundane experiment

Question 19 (15 points)

A study that uses different procedures for manipulating and measuring variables from another study is called a conceptual replication.

Question 19 options:

	True
	False

Question 20 (15 points)

When you discuss the extent to which your results would apply to other people or settings, you are concerned with:

Question 20 options:

	external validity
	internal validity
	criterion validity