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Assessment Concepts Test 1 > Assessment Concepts Test 1 > Flashcards

Assessment Concepts Test 1 Flashcards

1
Q

What defines a good assessment?

A

Defines the problem

Drives Intervention

  • Both dynamic & static
  • Gather info.
  • Both formal & informal
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2
Q

Assessment Purposes?

A
  1. Compare to peers
  2. Qualify for services
  3. Measure progress
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3
Q

What is “Compare to peers”?

A

Determine their status of difficulty

Compare:

  • MLU
  • Brown’s grammatical morphemes (syntax)
  • Type-token ratio (semantics)
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4
Q

Dynamic Assessment

A

looking @ performance over time

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5
Q

Static assessment

A

one time

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6
Q

Calculating Age

A

Todays date- yr, month, day

12 09 10 Today date

01 04 11 Birthday

11 04 29 Age

yrs. months years

_LOOk AT NOTES _

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7
Q

Informal assessment

A
  • natural; no strict rules
  • limited to seeing what client produces

Ex. language sample

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8
Q

Formal assessment

A
  • Standardized
  • More rigid
  • Do exactly as says
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9
Q

Criterion-referenced

A
  • a test-taker’s performance is compared to a pre-defined set of criteria
  • have they shown a certain or set of skills
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10
Q

Norm-referenced

A

comparing a person’s score to another person’s score to classify students across a continuum

  • a normal distribution results from a norm-referenced assessment
  • Ex. GRE
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11
Q

Reliability?

Types?

A

Measurements can be replicated

  1. Inter-rater: b/w ppl Ex. both clinicians should get same results
  2. Intra-rater: within examiner @ different times or different days
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12
Q

Validity?

A

test truly measures what is claims to measure

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13
Q

Validity Types

A
  1. Face
  2. Concurrent
  3. Construct
  4. content
  5. criterion-related
  6. predictive
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14
Q

Basal

A

Set starting point depending on the age group

  • criteria for a standard mostly based on age to obtain a basal
  • stastical way of seeing what one knows
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15
Q

Ceiling

A

when to stop administering subtest/ whole test

  • follow specific rule-can assume client will not get any of those above correct

Purpose

  • reduce client fatigue
  • test administration efficiency
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16
Q

Raw scores

A

actual # when grading tests/ # correct

17
Q

Types of Scores

Standardized

Standard scores based on 100 or 10 as mean, also called scaled scores

A

For explaining in percentile rank:

  • 70 standard score– “Out of 100 children, 97 children answered better on this test”
  • 55 standard score– “out of 1000 children, 988 children performed better”
18
Q

Types of Scores

Standardized

Z-scores

A

how many standard deviations the raw score is away from the mean

19
Q

Types of Scores

Standardized

Stanine

A

score based on a 9-unit scale

  • educational & testing reports
  • 2-7 –> normal limits
  • 4-5 –> most average limits
20
Q

Types of Scores

Standardized

Standard deviations

A

represents the distribution away from the group average

21
Q

Types of Scores

Standardized

Composite Scores

A

an average

  • statistically meaningful only if subtest scores are closely
  • if large gaps in subtest scores, the doesn’t mean anything
22
Q

Standard Error of Measurement

A

error within instrument; how likely are we to have found the person’s true ability

LOOK AT NOTES FOR FIGURE

23
Q

Confidence Intervals

ON TEST

A

ranges from 68% to 90-95% confidence on the bell-shaped curve

  • 95% will be a doubled SEM @ 68%
  • 90% will range or is 1 less than 95%

NEED to DO On TEST:

  • Which confidence interval to use and why
  • 95% & 90% are too big to make clinical decisions with @ times

ASK STEPH

24
Q

Percent vs. Percentile Rank

A

percentage of people scoring at or below a particular score

Below 77.5standard score = 5.5 percentile rank qualify for services

Ex. 4 percentile rank–> “out of 100 children taking this test, you child scored better than 3 children”

OR

“out of 100 children you child scored less than 96 children”

25
Q

Normal Distribution

A

If have normative data, is there a good representative sample:

  • Gender
  • Ethnicity
  • Geographic (all over)
  • Enough people

On TEST

Why would a test not have a normal distribution?

Ask Steph

26
Q

Test Sensitivity

A

React to many conditions

  • Catches condition (all disordered) and catches no condition too but makes sure it catches all that it wants
  • Screening test
27
Q

True negative?

A

A person is NOT identified with a disorder and in fact they DON’T have a disorder

28
Q

False positive?

Which test does this risk?

A

Identify people as disordered when they’re not

Sensitivity test

29
Q

False negative?

Which test does this risk?

A

Real disordered people are identified as not having a disorder

Specificity test

30
Q

True positive?

A

A person is identified with a disorder, and they do in fact HAVE a disorder

31
Q

Test Specificity

A

Not sensitive, pays attention to one certain detail

32
Q

Incidence?

A

the frequency of a new illness in a population in a certain time

33
Q

Prevalence?

A

current number of people suffering from an illness in a given year

Assessment Concepts Test 1 (1 decks)

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