Participants in an experiment who are exposed to the independent variable are called the......
What is experimental group?
100
The variable that experiments manipulate is called the__________variable.
What is the independent variable?
100
Representative of various subgroups of the population.
What is a stratified sample?
100
An experiment enables the experimenter to__________the situation and to eliminate the possibility that unnoticed outside factors will influence the results.
What is control?
100
Growing up, Bob had always heard other teachers talking about what a bad student he was. At first Bob's grades were excellent but the more he heard about how bad he was the more he started to believe it.
What is self-fulfilling prophecies?
200
The most commonly used measure of central tendency is the...
What is the mean?
200
The total group from which a sample is drawn.
What is population?
200
In a ___________study, a psychologist organizes individuals into groups based on age.
What is a cross-sectional study?
200
Sigmund Freud's theory of personality development was based on________.
What is case studies?
200
Region in the Great Plains that suffered severe drought during the Great Depression.
What is Dust Bowl?
300
When neither the participants nor the experimenter knows which group of participants is the experimental one, the study is known as...
What is a double-blind study?
300
Arranging data so you know how often a score occurs.
What is frequency distribution?
300
Numbers that describe something about the average score are called measures of___________.
What is central tendency?
300
The participants who are treated in the same way as the experimental group, except that the experimental treatment is not applied, are called the __________.
What is the control group?
300
Supreme commander of Allied soldiers in western Europe during World War II.
Who is Dwight Eisenhower?
400
What is the mode of the following distribution: 63, 75, 75, 79, 82, 82, 84, 84, 84, 84, 91, 99.
What is 84?
400
Graph that demonstrates the direction of the relationship between two variables.
What is a scatterplot?
400
Establishing a correlation is useful because it enables scientists to make relatively accurate___________.
What is predictions?
400
To determine whether the data supports a hypothesis or the results are due to chance, researchers use_________.
What is inferential statistics?
400
Japanese attack in Hawaii on December 7, 1941, caused the U.S. to enter World War II.
What is Pearl Harbor?
500
In_________studies, psychologist study the same group of participants at regular intervals over a period of years.
What is a longitudinal study?
500
An equal chance of being represented.
What is a random sample?
500
If you subtract the lowest score in a data set from the highest score, you are determining the ____________.
What is range?
500
Observation that occurs outside the lab.
What is naturalistic obervation?
500
First female aviator to fly across the Atlantic Ocean, later disappeared on a flight in the Pacific Ocean.