The part of the article that tells you what the researcher actually did
What is the methods section
100
Stated in an "if-then" or "this influences" that format (e.g. if a polar bear is white, then it must be made of sugar! I will go lick it to test this out)
What is a hypothesis
100
The extent to which the sample represents the population of interest
What is population generalizability
100
The consistency of scores. (e.g. my scale is consistently 2 pounds heavy).
What is reliability
100
In a normal distribution, this contains 68% of the population
What is one standard deviation ?
200
A type of variable that is manipulated by the researcher to see if a change occurs.
What is the Independent Variable (IV)
200
A type of variable that you don't control in your research and can confound your results
What is an extraneous variable
200
Each individual does not have an equal chance of being selected for participation in research.
What is non-random or non-probability sampling (any specific example of these will also count)
200
The appropriateness, meaningfulness, and usefulness of interpretations made from the study.
What is validity
200
This is one statistical way to compare "mangoes" to "passion fruit"
What is a z-score?
300
What is measured to see if the Independent Variable had an effect
What is the Dependent Variable (DV)
300
The larger your sample size, the better we are able to ______ to the population
Generalize
300
A test in which an individual's score is based on how other people do on the test.
What is a norm-referenced test.
300
Looking at the correlation between raters on a music test, I get a correlation coefficient r = .92. This is an example of good...
What is inter-rater reliability
300
This is used to determine how "spread out" scores are from the mean, on average.
What is the standard deviation
400
Stating explicitly how a variable will be measured
What is an operational definition
400
We use statistics to generalize from a ______ to a ______.
What is sample and population?
400
First, second and third place. These are examples of...
What is an ordinal scale of measurement
400
I teach a class on creative writing. I've designed a mid-term test that purports to measure creative writing knowledge by asking questions about famous 1990's era White rappers. This is an example of poor...
What is content validity?
400
A statistical test tells me this, and is usually accompanied by an alpha level that allows me to be 95% sure that my results didn't happen by chance.
What is a p value of .05?
500
Mary-Lou is 78 years old. Mary-Lou's age is a combination of what types of variables:
What are continuous and attribute variables
500
Believing that the results from one individual will work for everyone else.
What is an exception fallacy?
500
Randomly selecting 50 area codes, then randomly selecting 500 individuals from within each area code. This is an example of...
What is multi-stage random sampling
500
Every time you step on a scale, it gives you a completely different measurement.
What is unreliable and invalid?
500
My wife and I think we are pregnant. However, we didn't know that the pregnancy test was faulty. This is an example of