Z-Scores
T-scores
Other Scores
What does it Mean?
What does it mean?
100
They simply express raw scores in the number of SD units from the mean
What is function of z-scores, they cannot normalize data sets
100
Conversion: start with a Z score
What is T-score
100
(zx15) + 100
What is Standard Score
100
People can get this very, very, very wrong and it can have very serious consequences for clients and their
What is score interpretation
100
These can be very misleading and can be very upsetting to parents
What is caution agains grade and age equiventlents
200
If the data are normal, we know what percentage of data fall between two distances
What is z score distribution
200
(z scorex10) +mean
What is the formula for a t-score
200
(zx3) +10
What is Scaled Score
200
How does your score compare with the scores of other people? Relative
What is norm-referenced
200
It’s normalized, meaning a distribution is made normal even if the raw data aren’t
What is Statnine
300
You have to deal with negative numbers and decimal points
What is limitations to z-scores
300
Increments of 10
What is t-score units
300
You need a z-score for these conversions
What is a t-score, standard score, and scaled score
300
How does your score compare with an established standard of performance. Absolute
What is criterion referenced
300
non-normally distributed, it often makes sense to report something as simply normal or abnormal, rather than as a percentile or standardized score
What is Within Normal Limits
400
Meaningless in and of itself
What is a z-score w/o context
400
mean is 0
What is z score and t score
400
PAR Toolkit
What is a software program that helps with metrics
400
Frequently used for academic achievement tests
What is Grade Equivalent
500
constant and predictable for the ability to compute a z-score
What is normal distribution
500
Doesn't normalize the data set
What is z-score and t-score
500
yay my child has a score of 68! It's 2 SDs below for a standard score and 2 above for a t-score
What is you don't know the metric
500
Represents an examinee’s test performance in terms of the age a which the ”average” individual’s performance matches that of the examinee
What is Age Equivalent
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