t-tests
The statistical test is used to compare the means between two separate groups.
What is an independent samples t-test?
This is the maximum number of groups that a t-test can examine differences between.
What is two groups?
μ1 ≠ μ2 is an example of this.
What is a null hypothesis?
A 1-Way ANOVA differs from a 2-Way ANOVA in terms of how many of this kind of variable can be looked at.
What are independent variables?
d=.2 is this size effect size.
What is small.
This statistical test compares the means of one group at two points in time
What is the dependent (paired) samples t-test?
This test can be used to examine whether zombies spend more hours watching vampire movies or human movies.
What is a dependent (paired) samples t test?
μ1 > μ2 is an example of this type of alternative hypothesis.
What is directional?
What do you call the kinds of tests you run after you conduct a 1-Way ANOVA on 3 or more groups in order to figure out which pairs of groups differ?
What are posthoc tests?
d=.5 is this size effect size.
What is medium.
This statistical test compares the means of two different variables for one group
What is a dependent (paired) samples t test?
This test can be used to examine whether dog lovers differ from cat lovers in terms of what makes of cars they drive
What is a Chi Square test?
Alpha is the cutoff acceptable level of probability for making this type of error.
What is Type I error?
A 2-way ANOVA can be used to analyze differences between two or more groups on this NUMBER of dependent variables.
What is one dependent variable?
Phi or Cramer’s V = .5 is this size effect size.
What is medium?
For each participant in group 1 who scores LOW on a variable, the researcher assigns a participant to group 2 who also scores LOW on the same variable. For each participant in group 1 who scores HIGH on a variable, the researcher assigns a participant to group 2 who also scores HIGH on the same variable. This method of creating groups with similar participants is called _______________.
What is matching?
This test can be used to examine whether PsyD students eat pizza or burgers or flightless birds more days per week.
What is Repeated Measures ANOVA?
What kind of error are you making when you conclude that groups are different when in reality they are the same?
What is Type I error?
There are two of THIS KIND OF EFFECT in a 2-way ANOVA.
What are main effects.
η2=.14 is this size effect size?
What is large?
This test tests whether there is homogeneity of variance between two groups in a t test
What is Levene's test?
This test can be used to examine whether people born in the 1980s, people born in the 1990s, and people born in the 2000s, differ in terms of how many hours they've listened to Simon and Garfunkel's song, "Peace Train."
What is Simon and Garfunkel didn't sing "Peace Train." (Cat Stevens did.)
This is 1-β.
What is power?
What type of effect should you interpret first in a two-way ANOVA?
When calculating the effect size d, this is in the denominator.
What is the (pooled) standard deviation?