This statistical approach could test whether pre-holiday stress level impacts seasonal weight gain.
What is simple regression.
100
This is what you will need if you want to uncover the tiny differences between peoples' preferences for rubies vs. emeralds.
What is power.
100
An investigator found this distribution in her continuous data, when she observed that people either tend to love haagas or hate it.
What is bimodal.
100
If I ask you to report last night's sleep quality on a 3-point scale, I am collecting data for this type of variable.
What is ordinal.
100
Since everyone loves New Guy, this is what I would likely need to do to a continuous variable capturing his teaching effectiveness if I wanted to use the variable in a parametric analysis.
What is transform it.
200
This is what we call data that clumps too far to one side of the distribution. It's also a word for my grandmother's outlook on "kids these days."
What is skewed.
200
Use this statistical test if you want to see how your professors' use of lip gloss compares to national rates of lip gloss application.
What is a one sample t-test.
200
In a study of parent-child eating patterns, this statistic tested whether parents systematically made better food choices than their children.
What is a paired-samples t-test.
200
This statistic could be used to demonstrate that people who drink more coffee also have lower overnight sleep durations.
What is a correlation.
200
These are the two tests I could use to see whether Moms are, on average, better disciplinarians than Dads.
What is an independent samples t-test or ANOVA.
300
The test you would use to see who spends the most $ on holiday gifts: Parents of young children, Grandparents, or mid-20's Bachelors.
What is ANOVA.
300
This is the kind of analysis you might do to determine the average effect size documenting increased diamond sales in December across many different studies.
What is a meta analysis.
300
These are the two things that correlations capture, like the association between preference for meat and preference for ham.
What is magnitude and direction.
300
If I wanted to see how well my test items "hang" together in a measure of insomnia, I could use this statistic.
What is Chronbach's alpha.
300
Because everyone loves New Guy's teaching, this is the kind of distribution you would likely see in a continuous measure of his course satisfaction ratings (1 = low, 5 = high).
What is highly skewed left.
400
This is the best way to know whether the average chocolate consumption at Valentine's Day truly and meaningfully out-shines the consumption of chocolate at New Year's Day.
What is an effect size.
400
Name and define a fallacy Dr. Researcher needs to be weary of in his person-centered approach to studying creativity with glitter.
What is atomistic fallacy (drawing false conclusions about a group based on individual behavior).
400
Name three types of assumption violations that I would need to fix prior to running a regression model predicting love of food from past successes in the kitchen.
What is linearity violations, non-independence of errors, normality violations...
400
With this term in my regression equation missing, I'll never know the "baseline" score of life satisfaction among caffeine addicts.
What is the intercept.
400
You could use this statistic to determine whether moms from the U.S. and moms from Canada have similar rates of Authoritative vs. Permissive parenting styles.
What is a Chi Square.
500
This is the minimum number of indicators you would need to capture a latent measure of Holiday Spirit.
What is three.
500
In a New Year's Eve fist-fight over estimation procedure flexibility and general awesomeness, who would win and why: Least Squares or Bayesian Methods?
What is obvious!
500
If I wanted to see what happens to the association between buying candy and being in love - after controlling for age - I could use this statistic.
What is a partial correlation.
500
On the board, write the regression equation estimating life satisfaction among coffee addicts from number of cups of coffee per day. (include variable names!)
What is --- ON THE BOARD!
500
Quickly sketch what a statistically significant interaction might look like capturing: New Guy's happiness level before he came to Suffolk (in Summer and Winter) vs. after he came to Suffolk (in Summer and Winter).