When you want to examine the impact of more than one independent variable on the outcome variable, what type of ANOVA should be used?
Factorial ANOVA
While you can use the correlation coefficient as its own test statistic, what is the other appropriate test statistic often used to examine the significance of a correlation?
T-test
When analysis of data reveals a difference between levels of a factor, what is this called?
Main Effect
Significant correlations are not able to indicate:
Causality
In the factorial ANOVA, participants are tested:
Only once
What is the most important characteristic of a correlation coefficient?
Absolute Value
In ANOVA, you have interaction effect when:
The effect of one independent differs based on the level of a second independent variable
You would want to use a factorial ANOVA if you had:
Two independent variables
In the following main effect: F(1,9)= 1.67, p= .229, what is .229?
The level of significance
Which of the following is another use of correlation coefficients?
Estimating reliability
How many null hypotheses are associated with a 2x2 factorial ANOVA?
Three
When computing a correlation coefficient, if you have a degrees of freedom of 27, your sample size must be:
29
What type of ANOVA is used when there is only one type of treatment or grouping factor with more than two levels?
One-way
If a simple Pearson correlation value= .512, what percentage of variance is accounted for?
26%
How many null hypotheses are used in a 2x2 factorial ANOVA?
3
If a simple Pearson correlation value =.75, what percentage of variance is unaccounted for?
44%
What 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
Which of the following is an example of a null hypothesis for testing a correlation coefficient?
H0: Pxy= 0
When plotted on a graph, if the lines representing the effect of two variables cross, you have:
An interaction effect
a one-sample chi-square is also know as ______
Goodness of fit test
Which of the following procedures can be utilized to examine within groups change over time?
Repeated measures ANOVA
Which of the following statistical software packages is free?
OpenStat 4
The obtained value must be compared against which of the following?
Critical Value
If you want to equalize initial differences between two groups before examining group differences, what procedure would you use?
ANCOVA
Which of the following is billed as "statistical discovery software" that produces graphics with each statistical procedure?
JMP
Which of the following nonparametric tests is used to determine if scores from a sample came from from a specified population?
Kolmogorov-Smirnov
Which of the following is sometimes referred to as an "umbrella" term for techniques such as Regression, Path Analysis, and Factor Analysis?
SEM
What sciences are SYSTAT and SPSS oriented toward?
Social & behavioral sciences and biological & physical sciences
Which of the following is the correct formula for calculating the degrees of freedom for a one-sample chi-square?
r-1
Of the following, which procedure is sometimes referred to as "data reduction" method as it allows a researcher to explore how items on a particular measure cluster together?
Factor Analysis
Which of the following programs is most often used by researcher in the biological and physical sciences?
SYSTAT
In the following result: t(24)= 8.4, p=.05, what is 8.4?
The observed value
In what type of ANOVA is there one factor on which participants are tested more than once?
Repeated Measures
Which of the following programs is most often used by researchers in the social and behavioral sciences?
SPSS
In calculating a one sample chi-square test, if you had 4 degrees of freedom, your variable would have this number of categories:
5
Which of the following statistical techniques is used when values of more than one variable are used to predict the value of another variable?
Multiple Regression
Which of the following offers publication-quality custom-titled and legend graphs that can be exported to Bitmap, Postscript, and HPGL file formats?
STATISTIX for Windows
Which of the following statistical techniques is used to examine correlations but allows a bit of a suggestion as to the direction, or causality, in the relationship between factors?
Path Analysis
The statistics program featured in the text, Statistics For People (Who Think) They Hate Statistics is _____
SPSS