These are methods of measuring the central tendencies of a a series of numbers.
What are Mean, Median, and Mode?
100
The difference between the highest and lowest scores.
What is range?
100
After detailed study of a gunshot wound victim, a psychologist concludes that the brain region destroyed is likely to be important for memory functions. This is the type of research did the psychologist use to deduce this.
What is a case study?
100
To prevent the possibilities that a placebo effect or researchers' expectations will influence a study's results, scientists employ this.
What is double-blind procedure?
100
The median of the following distribution of scores: 1, 3, 7, 7, 2, 8, 4.
What is 4?
200
These are measures of variation.
What are range and standard deviation?
200
A measure of the variation (density) based on every score.
What is standard deviation?
200
A psychologist studies the play behavior of young children by watching groups during recess at school.
What is naturalistic observation?
200
In an experiment to determine the effects of attention on memory, memory is this.
What is the dependent variable?
200
The mode of the following distribution of scores: 8, 2, 1, 1, 3, 7, 6, 2, 0, 2?
What is 2?
300
The middle score in a distribution.
What is median?
300
The arithmetic average of a set of scores.
What is mean?
300
This is the type of research methodology that is best for determining whether alcohol impairs memory.
What is an Experiment?
300
If shoe size and IQ are negatively correlated then this must be true.
What is People with small feet tend to have high IQs?
300
Normal curves are this shape.
What is bell shaped?
400
"I-knew-it-all-along" phenomenon.
What is hindsight bias?
400
A graphed cluster of dots depicting the values of two variables.
What are scatterplots?
400
Of survey, experimentation, replication, and correlation, this is not a research method.
What is replication?
400
Mike eagerly opened an online trading account, believing that his market savvy would allow him to pick stocks that would make him a rich day trader. This is an example of this phenomenon.
What is overconfidence?
400
Lopsided sets of scores that include a number of extreme or unusual values are said to be this.
What is skewed?
500
A false perception of a relationship between two variable.
What is illusory correlation?
500
The most frequently occurring score.
What is mode?
500
Phineas Gage is a text book example of this type of research method.
What is a case study?
500
A well done survey measure attitudes on a representative subset or this.
What is random sample?
500
The idea that ideas need to be tested against observable evidence is inherent in this attitude found in science.