Alphabet Soup
Correlation & Regression
Miscellaneous
Measurement
100
This letter is used to present correlation coefficients
What is the letter "r"?
100
This type of correlation occurs when the values of variable A increase as the value of variable B increase.
What is a positive correlation?
100
This type of skew occurs when the left "tail" of the distribution is longer and the majority of the distribution is to the right.
What is negative skew?
100
Organizing students based on being enrolled at USC or UCLA is and example of this type of scale.
What is nominal?
200
This letter indications the % of variability measured in the analytic model
What is R2?
200
This is the range a correlation can take
What is -1 to +1?
200
While the mean is reported with standard deviation, the median is reported with ______ .
What is interquartile range (IQR)?
200
TRUE or FALSE. If a test is valid, then it must be reliable.
What is TRUE?
300
X2 is used to present this statistic.
What is a chi-square statistic?
300
When evaluating the relationship between an independent variable and a dependent variable where a child either achieved a dichotomous outcome or not, you would complete this analysis.
What is a logistic regression?
300
This type of error occurs when you accept your null hypothesis, when in fact a difference does exist.
What is type II error?
300
This type of validity indicates that the measurement "looks" like it measures what it should.
What is face validity?
400
This statistic identifies the difference from an expected value in terms of the standard error.
What is the t-statistic?
400
This odds ratio is associated with a greater likelihood of an event occurring.
What is an odds ratio greater than 1.0?
400
This type of hypothesis states that there is no difference in results between groups.
What is the null hypothesis?
400
This subset of criterion-related validity indicates that the measures of constructs that should be related to each other, in fact are observed to be related to each other.
What is convergent validity?
500
This is the abbreviation that presents inter-rater reliability.
What is ICC (intraclass correlation coefficient)?
500
This type of correlation occurs when the variables are normally distributed.
What is a Pearson correlation?
500
It is easy to detect small effects in data when ________ is high.
What is power?
500
When your scale is too high for your participants and you fail to capture change in lower-scoring participants, you end up with this type of effect.
What is a floor effect.