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Exercise Statistics Midterm
Exercise Statistics Midterm
59
Mathematics
Undergraduate 1
02/24/2014

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Cards

Term
Measurement scales
Definition
Nominal

Ordinal

Continuous
Term
Range Restriction
Definition
Results in lower correlation
Term
Variance
Definition
Spread of scores based on squared deviation
Term
Person Product moment (r)
Definition
"Are to variables related?":
Term
Coefficient of determination
Definition
r squared

.7 = .49
Term
Independent Variable
Definition
Y

effect

The consequence
Term
Dependent Variable
Definition
X

Cause

Antecedent
Term
Range vs. Correlation
Definition
As range increases, correlation increases
As range DECREASES, correlation DECREASES
more predictable the higher the r value
Term
High correlation
Definition
needs high reliability and validity
Term
Chi Square
Definition
stats test between 2 NOMINAL variables
Term
Independent T-Test
Definition
stats test between ONE Continous DV, 2 groups
Term
Dependent T-Test
Definition
stats test between TWO Continous DV, 2 groups
Term
One way ANOVA
Definition
stats test between 1 continous DV, 1 nominal IV

can do more than 2 groups
Term
Correlation
Definition
Quantitatively PREDICT

one variable vs. the other
Term
Inferential
Definition
Quantitatively INFER

characteristics from sample group to population
Term
Criterion-Referenced measurement
Definition
Use of experts
Term
Norm Referenced measurement
Definition
subject compared to members of a population
Term
Normative (standard development)
Definition
criteria based on norm-referenced data
Term
Empirical (standard development)
Definition
CUTOFF/Standard
Term
Combination (standard development)
Definition
expert & norms typically combined
Term
Advantages of Criterion referenced measurement
Definition
individual knows whats expected

independent of population performance
Term
Limitations of Criterion referenced measurement
Definition
Miscalculations

motivation impacted (frustrate/bored)
Term
Contingency table development
Definition
2x2 Chi Square
(used w/ categorical variables)
Term
Judgement Standard
Definition
does one accomplish an established goal
Term
Reliablity
Definition
Consistency of results
Term
Validity
Definition
Accuracy of Measurement
Term
Formative
Definition
Start (intro)
Term
Summative
Definition
Final (end)
Term
Norm Reference
Definition
Compared to members of population
Term
Criterion Reference
Definition
Use of experts to determine
Term
Nominal
Definition
name or class (categories or groups)
Term
Ordinal
Definition
Order or rank
Term
Interval
Definition
ARBITRARY ZERO
Term
Ratio
Definition
ABSOLUTE ZERO
Term
Median
Definition
midpoint (AVERAGE)
Term
Mode
Definition
MOST
Term
Percentile
Definition
% of observations that fall at or below a value
Term
mean
Definition
Average

Sum of scores/ # of scores
Term
Coefficient of determination
Definition
"what we cant explain"
Term
Purposes of measurement, testing, eval
Definition
Placement
Diagnosis
Prediction
Term
What is the "good human number?"
Definition
75%
Term
Performance based assessment
Definition
"Can you do it?"

measure learing
give subject chance to demonstrate
Term
Evaluation
Definition
Data Judgement
Term
Assesment
Definition
Data collection
Term
Authentic (performance based)
Definition
alternative assessment
Term
Formative assessment
Definition
initial or intermediate
Term
Summative assesment
Definition
final
Term
Criteria for judging performanced based asssesmentsq
Definition
3 P's

Process
Product
Progress
Term
Process criteria
Definition
quality of performance
Term
Product criteria
Definition
Outcome of performance
Term
Progress criteria
Definition
measure improvement
Term
Guidelines for developing performanced based assessments
Definition
DDSS

Determine
Decide
Select
Set
Term
Tips for improving PBA
Definition
multi-observations

be objective

design clear rubrics
Term
Grading mechanics
Definition
DMOC

determine
measure
obtain
convert
Term
2 Unique aspects of PBA
Definition
human judgement

Real world
Term
Ind
Definition
Term
Reliability
Definition
2 TRIALS

1 measure
Term
Equivalence
Definition
2 TESTS

same measure
Term
Criterion referenced testing
Definition
same as mastery learing
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