Variables
Statistics
APA
Research
Hypotheses
100

It can change value.

What is a variable?

100

The total divided by the number of scores.

What is the mean?

100

Located in the upper left-hand corner of an APA manuscript.

What is the running head?

100

Describes something.

What is the descriptive research strategy?

100
This says the results are due to sampling error.

What is the null hypothesis?

200

This causes changes in behavior.

What is the independent variable?

200

This statistic can never be greater than 1.

What is Pearson's r?

200

The only paragraph in an APA manuscript that is not indented.

What is the abstract?
200

Measures strenght and direction of a relationship between two variables, but not cause and effect.

What is the correlational research strategy?

200
This says there is a significant effect.

What is the alternate hypothesis?

300

Everything but the IV and DV.

What are extraneous variables?

300

The value predicted from X.

What is Y-prime?

300

Bold, centered, title case.

What is a Level 1 heading?

300

Like an experiment, but not.

What is the quasiexperimental research strategy?

300

Claiming there was no effect when one exists in the population.

What is a Type II error?

400

The behavior.

What is the dependent variable?

400

Branch of statistics that allows researchers to make statements about populations based on sample data.

What are inferential statistics?

400

The title, the authors, and their affiliations.

What goes on the title page?

400

Just describes the relationship between variables.

What is the nonexperimental research strategy?
400

This is a statement about the relationship between two variables.

What is the hypothesis?

500

A threat to internal validity.

What is a confounding variable?

500

The observed difference divided by the difference expected by chance.

What is a standard score?

500

The "and" in a parenthetical citation and the reference section?

What is an ampersand?

500

Establishes cause and effect.

What is a true experiment?

500

Like a false positive.

What is a Type I error?