What is "the relationship between two dependent variables"
100
steps to making a correlation in SPSS
What is analyze, correlate, bivariate, drag variables you want over to right in to box
100
regressions is used when..
What is predicting scores?
100
True or False
Chi-Square can be classified as one-way as well as two-way.
True.
One-way: Data is classified in one category
Two-way: Data is classified in two categories
100
when increases in x associated with increases in y; when decreases in x associated with decreases in y..
What is positive correlation?
200
Name an advantage and disadvantage of a correlational design
Advantage: more practical, more ethical, more valid
Disadvantage: no cause
200
how to make a scatter plot in SPSS
What is graph, legacy dialogue, scatter/dot, simple scatter, one variable to y, one variable to x
200
the three steps to calculating regression are..
step 1: calculate the slope (b)
step 2: calculate the y-intercept (a)
step 3: solve for x
200
The chi-square test of independence is also known as what?
"The Goodness of Fit" test
200
when increases in x associated with decreases in y; when decreases in x associated with increases in y..
What is negative correlation?
300
The more you study, the higher your statistics exam grade will be. Does this have a positive, negative, or no correlation relationship?
What is a positive relationship
300
r=.26 df=17 p=.02
write in apa format
What is r(17)=.26, p=.02
300
when you cannot predict scores that are outside the range of the collected data..
What is extrapolation?
300
Chi- square is a ________ test, used to analyze _______ data
What is nonparametic & nominal?
300
a less powerful test means it is _______
less likely to see a significant result
400
the equation used to find r (pearson correlation)
What is r=Σ ZxZy/(n-1)
400
how do you find Z scores
What is analyze, descriptive stats, descriptive, move variables over to right, check standardize box
400
we should always look at what to ensure there are no outliers?
What is a scatter plot?
400
What is the formula for Chi-Square? & what is it used for?
X^2 = Summation (O-E)^2 / E & it is used to compare our observations to our expectations
400
What does this equation calculate...
(row total)(column total)/total
What is expected frequency of each cell?
500
find r, then the critical value
do you reject or accept the null?
SAT:1050, 1200, 1400, 1100, 800, 1000, 1300, 850
GPA: 3, 3.9, 3.9, 3, 2.5, 2.8, 3.7, 2.6
r=.94
CR=.707
reject the null
500
What is the best kind of graph to use in SPSS to show a correlation
What is a scatterplot
500
A measure of the proportion of variance in 1 variable that's accounted for by another variable..
What is coefficient of determination (r^2)
500
What are the three Chi-Square Assumptions?
The data are on a nominal scale.
The frequency in any cell should be at least 5.
The sample should be randomly selected, and the observations must be independent.
500
how do you calculate degrees of freedom for a one way and a two way chi-square?
one way-> df= levels of categories-1
two way-> df=(number of rows-1)(number of columns -1)