Foundations Of Assessments Flashcards
basic assessment methods
standardized assessments
authentic assessments
types of standard assessments
norm-referenced
criterion referenced
norm-referenced
compare and rank test takers in relation to others
comparison of individual scores to large group by age, gender or disorder
criterion referenced
compare to individual performance to predetermine criteria or performance standards
comparison can be of expected stages of development, level knowledge, mastery of information
norm referenced assessment methods
must be administered exactly
do practice items
keep same wording
repeat only if permitted
do not teach the test
can’t use materials in therapy
shouldn’t be re-administered within same year
identify basals and ceilings
basals
number of correct responses required to determine starting point
ceilings
number of error responses required to determine stopping point
norm referenced advantages
objective
efficient administration
common ground
less clinical experience
insurance and school prefer
norm referenced disadvantages
no individualization
not real life
isolated skills
must be administered as specified in manual
criterion referenced test advantages
objective
efficient administration
widely recognized
insurance/school
non-standardized some ability to individualize
criterion referenced disadvantages
not real life
evaluates isolated skills
standardized no individualization
be administered exactly as instructed
strategies/approaches
systemic observation
real life simulation
language sampling
structured symbolic play
short answer and extended response
self assessment
authentic assessment advantages
real world
greater client participation
individualization: culturally
flexibility
authentic assessment disadvantages
may lack objectivity
not standardized
requires high level of clinical observation
may be impractical
authentic assessment approach
analog tasks observations
naturalistic observations
systemic observations
analog tasks observations
stimulated or staged real-world events
naturalistic observations
everyday setting
systemic observation
planned observation of specific skills
authentic assessment
speech sampling
language sampling
dynamic assessment
speech sampling
error patterns in context
language sampling
mean length of utterance (MLU)
type toke ration (TTR)
dynamic sentence (DSS)
dynamic assessment
test skill
teach skill
re-test skill
face validity
does test measures what it says it does
content validity
the items on the test measure what they intended to measure.
what is the level of completeness
construct validity
what is the tests ability to measure between assessed skills and other known constructs such as age sex or iq
predictive validity
what is the ability of the test to predict future performance or ability
alternate form reliability
is there consistency between two forms for the same test
test retest reliability
consistency of results of a test administered on two occasions
intratester
intertester
intratester
consistent scores with same person at two different times
intertester
consistent scores with different tester
split half
consistency of difficulty across test items for tests not designed to progressively get more difficult
mean
average of scores
median
middle
mode
most frequent
standard deviation
normal distribution
68% within one
95% within two
98% within three
z-score
standard score
number of deviations from mean
norm referenced test scores
raw scores
standards scores
scaled scores
percentiles
age/grade equivalent
stanines
standard scores
normative data
describes how far above or below the mean
100 = mean
scaled scores
normative data, can be compared
10 = mean
describes how far above or below the mean an individual score
stanines
can be compared
stanine - 9 unit scale
5 = average 4,5,6
7,8,9 = above average
1,2,3 = below average
percentiles
statistically derived from raw scores
average is between 25th and 75th
at or below 10th is often used to identify special needs
percentile disadvantages
ordinal rank
cannot be used to compare gains or losses
age or grade equivalent
indicate that student has attained the same median score but not necessarily the same skills as an average student of that age or grade