The type of statistic used to predict...
Assumptions
aRgh
tee it up
Miscellany
100

...course evaluations from academic department (CPY, I-O, RPS).

What is one-way ANOVA?

100

Measurement scale required for the DV in an ANOVA or t-test.

What is ratio or interval (i.e., continuously scaled)?

100

The shaded sections of an .rmd file where code is written.

What are chunks?

100

Used to determine if ANOVA course evaluations different from a departmental standard of 4.33.

What is a one-sample t (or z) test?

100

An open source reference management program that Dr. Bikos thinks you cannot live without.

What is Zotero? (Mendeley or similar is also acceptable)

200

...course evaluations from the same students as they complete three different courses (e.g., ANOVA, multivariate, psychometrics).

What is one-way repeated measures ANOVA?

200

Name of the test used to evaluate the homogeneity of variance assumption.

What is Levene's Test?

200

Type of file that stores data. It can only be opened within the R environment and retains the characteristics of the data.

What is an .rds file?

200

Test statistic used to evaluate changes from pre-to-post (with no other predictors).

What is dependent (or paried samples) t-test?

200

The mean and standard deviation of a normal distribution?

What is 0 and 1?

300

...course evaluations from (a) academic department (CPY, I-O, RPS) and (b) centering status (pre, re).

What is factorial (or between-subjects) ANOVA?

300

A statistically significant Shapiro-Wilks test is an indication that something has been violated.

What is the assumption of normality?

300

Icon in R studio that is used to clean the Environment.

What is the broom?

300

Used to evaluate if course evaluations were higher when taught in SPSS or R.

What is independent samples t-test?

300

A commonly used critical value in a two-tailed test when alpha = 0.05.

What is +/- 1.96?
400

...course evaluations from the same students taking ANOVA, psychometrics, and multivariate as a function of whether it was taught in SPSS or R.

What is mixed design ANOVA?

400

Evaluated by Mauchly's test.

What is the assumption of sphericity?

400

Package and function used to obtain descriptive statistics aggregated by a grouping variable.

What is "psych::describeBy"?

400

Effect size commonly used with t-test where magnitude is reported in standard deviation units.

What is Cohen's d (or just "d")?

400

A common value used for power when conducting power analyses.

What is .80?

500

...assessment of value to the student as a function of centering status (pre, re) controlling for traditional pedagogy.

What is one-way ANCOVA?

500

A correction that is applied when the sphericity assumption has been violated.

What is the Greenhouse Geiser (or Huynh-Feldt) correction?

500

Command in the ggpubr package that adds a dot for each case in the dataset.

What is:  add = "jitter"?

500

Effect size used in t-tests and ANOVA that is interpreted much like a correlation coefficient?

What is eta-squared?

500

Declaring statistical significance when, in reality, there was none.

What is Type I error?