Exam 2: Methods in Psychology-Part A

Humans have a natural tendency to:

Diana wants to see if heat causes happiness.She asks 100 participants to come to the laboratory,and as they walk in,she asks each person to choose a warm booth or a cool booth.On the basis of their choices,participants spend 20 minutes in one or the other booth before rating their levels of general happiness.What's wrong with Diana's experiment?

In the number sequence 1 1 2 3 3 4 4 4 5 which number is the mode?

Sue becomes tired when it gets really hot outside and Frank becomes angry.Their different reactions to the heat illustrate the challenge of _____ to the study of human behavior.

In the number sequence 3 6 2 3 12,what is the range?

Psychologists usually select participants for study based on:

A description of a property in concrete measurable terms is a(n):

Random assignment involves randomly:

Researchers wanted to see if adults were actually afraid of the dark by exposing them to different levels of light in a room while measuring their heart rates.In this experiment,what are the different levels of light?

When random assignment fails to create equivalent groups,the problem of _____ occurs.

Professor Kim creates a frequency distribution of exam scores from her class of 300 students.Possible scores on the exam ranged from zero to 100.What should be displayed on the horizontal axis?

As part of her course requirements,Jill participates in research studies conducted by professors.After she participates,she is debriefed during which:

A technique for gathering scientific information by unobtrusively watching people in their normal environments is termed:

What is the third-variable problem in reference to correlational studies?

Researchers wanted to see if listening to calm music would reduce heart rates.Half of the research participants sat quietly and listened to calm music,and the other half sat quietly and listened to no music at all.The group that did NOT listen to the music is called the:

The extent to which a concrete event defines a property is referred to as:

The statement "Class absences are associated with lower grades" is an example of a(n):

The generality of a study's results can be empirically determined in a(n):

Wally wants to see if room temperature affects happiness.He invites participants to the laboratory,where half are seated for 20 minutes in a booth held at a constant 68 degrees,and the other half are seated in an identical booth for 20 minutes at a constant 88 degrees.Wally then asks members of each group to rate their level of happiness.What is the dependent variable in this experiment?

The chair of the psychology department wants to determine the average GPA of all the psychology majors in the United States.She randomly selects 50 colleges and universities and compiles a list of the GPAs of all the psychology majors at those institutions.This list represents a(n):