Exam III Flashcards
(36 cards)
The ANOVA is like an extension of the:
t-test
When type of design includes an ANOVA where one factor is repeated and the other is not?
Mixed design
This is another name for the factorial ANOVA:
two-way analysis of variance
The number of main effects is equal to:
The number of independent variables
A factorial ANOVA is this type of analysis:
univariate
When plotted on a graph, if the lines representing the effects of two variables cross, you have:
An interaction effect
Analysis that examines more than one dependent variable or outcome is known as _____.
Multivariate ANOVA
What type of ANOVA would examine effects of political party (eg. democrat, republican, or independent) affiliation and gender on the attitudes toward the death penalty?
3 x 2 ANOVA
Which of the following would be an example of a design that examines the effects gender and school type (i.e. elementary, middle, high school) on a scale of students attitudes toward learning?
2 x 3 ANOVA
Correlation coefficients examine:
the relationship between variables
Which of the following is an example of a null hypothesis for testing a correlation coefficient?
H0: [ ] xy = 0
If you do not predict a relationship between two variables as being either positive or negative, what type of test should you use?
two-tailed
Which of the following types of reliability correlates scores on a single measure on two different occasions?
test-retest
If the correlation between two variables is .496, how much of the variance has not been accounted for?
75.4 %
When computing a correlation coefficient, if you have the degrees of freedom of 55, your sample size must be
57
In order to meet the sample assumption associated with parametric statistics, how many subjects do you need?
30
If you have 100 respondents identifying their political affiliation (Republican, Democrat, or independent) what would the expected frequency be for each category?
33
Which of the following nonparametric tests is used to compare two independent samples?
Mann- Whitney
Which of the following compares the overall difference between two or more independent samples?
Kruskal-Wallis one-way ANOVA
If there is no difference between what is observed and what is expected, your chi-square value will be:
0
In the following result: x^2(3)= 8.4, p < .05, what is .05?
the level of significance
In calculating a one sample chi-square test, if you had 7 degrees of freedom, your variable would have this number of categories:
8
Which of the following procedures can be utilized to examine within groups change over time?
Repeated Measures ANOVA
If you want to equalize initial differences between two groups before examining group differences, what procedure would you use?
ANCOVA
