Experimental Design is only design that can show this
Causation
X-M/SD
What is the formulat for a Z score
I am if these three measures fall at the same point
Mean Median Mode
The hypothesis of no difference
What is the Null Hypothesis
Making sure we are measuring what we think we are
What is Validity
The Effect
Dependent Variable
Effect size for a 2X2 X2
What is Phi
I am if ____ % of my cases fall within 1 SD above and below the mean
68%
Probability statement made when the observable difference between groups is too large to attribute to chance.
Statistical significance
Reliability Coefficients range from ____ to _____
0 - 1
Statistical Analyses actually test these type of hypotheses
Operationalized
Y' = ax + b
formula for simple regression
I’m not if I have two points with the most cases. Then I am __________
Bi modal
Typical ‘levels’ of risk chosen to reject null
.05; .01
Tests scores are valid for only these specific groups
What is the reference group
the extent to which results or findings obtained from a sample are applicable to a broader population
Generalizability
Opposite of the Coefficient of Alienation
Coefficient of Determination
I’m not if I’m _______ _______ and my mean is higher than my median which is higher than my mode
Skewed + (right)
'Mistake' made by accepting the null when you should have rejected it
Type II error
Common measure of internal consistency reliability
Chronbach’s alpha
5 step procedure to answer research question statistically
Hypothesis Testing
Overall result of an ANOVA and/or Factorial ANOVA
Omnibus Test
I am if my curve is asymptotic to the _________
Abcissa
Three things to help make decide which significance test to use
Level of measurement
Number of groups
Are groups related
Confidence Interval specifically used for bracketing individual scores on a test
Standard Error of Measurement