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PSYCH ASSESSMENT > CHAPTER 4: RELIABILITY > Flashcards

CHAPTER 4: RELIABILITY Flashcards

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1
Q

Who is the founder of the advancement of reliability?

A

Charles Spearman

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2
Q

He wrote book “ The proof of measurement of associatuon between 2 things”

A

Charles Spearman

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3
Q

Who has this basic notion of sampling error?

A

Abraham De Moivre

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4
Q

Who created the Product Momentum Correlation?

A

Karl Pearson

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5
Q

Who is the founder of the foundation of reliability?

A

Edward Thorndike

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6
Q

He wrote the book “Into the theory of mental and social measurement”

A

Edward Thorndike

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7
Q

What are the three basic princples of Reliability?

A

SEM, Domain Sampling Method and IRT

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8
Q

A principle which the deviation of error of the true score and observed score is important to know the reliability of the test.

A

SEM

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9
Q

It is the reliability of variance of observed score in a short test and variance of long run to know the true score.

A

Domain Sampling Method

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10
Q

It uses computer that focus on the range of item difficulty to assess individual’s ability

A

IRT

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11
Q

What are the four sources of error?

A

test- retest method, parellel forms method, Internal consistency method and difference score

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12
Q

A method which to test the reliability of the test, a test used in different occassion. It measures “traits” over time

A

test -retest method

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13
Q

A method which we evaluate the test accross different forms of the test.
There are two forms of test but has the same item of difficulty

A

parallel forms method

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14
Q

A method which people are examine in the same subset of items selected from a same form of measurement

A

Internal consistency

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15
Q

It is the difference of the score of two groups.

A

difference score

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16
Q

What are the two effects of error?

A

Carry over and Practice effect

17
Q

The effect which the first administration of the test is greater than the second one that leads to inconsistency or gap of the test results

A

Carry over

18
Q

The effect which the second test result is high due to practice

A

Practice effect

19
Q

A method of parallel forms

A

Alternate forms of parallel

20
Q

What are the three methods of internal consistency?

A

Split half, KR20 Formula and Coefficient Alpha

21
Q

It is way which a long test is split into half which the first half of the result is compare to the second one.

A

Split half

22
Q

How to divide the items of the test?

A

Odd-even system

23
Q

It is a formula which used to have a correct system of splitting the long test which has the correlation of two halves.

A

Spearman-Brown Formula

24
Q

What formula is this?

r = 2r/1-r

A

Spearman-Brown Formula

25
Q

A way of splitting which is used when has 2 unequal variance for non-dichotomous

A

Cronbach’s Coefficient Alpha

26
Q

It is a method of test which calculates the reliability are dichotomous 0 or 1 or (right or wrong)

A

KR20 Formula

27
Q

It is a method of test which describes the variance of items whether or not they are in a wrong or right format.

A

Coefficient Alpha

28
Q

A method used for Difference of score

A

Kappa Statistics

29
Q

He established the Kappa Statistics

A

J. Cohen

30
Q

It is the best method of the level of agreement of 2 raters

A

Kappa Statistics

31
Q

+1. -1

  1. 75
  2. 40 - .74
  3. 39
A

Perfect agreement
Excellent agreement
Fair / good agreement
Poor agreement

32
Q

What formula is this?

S square root of 1 - r

A

SEM

33
Q

How reliable is reliable?

A
  1. Depends on the use of tests
  2. Usually needed is a test with .70 - ,80
  3. If clinics, to the patient’s future greater than .95 is needed
34
Q

How to improve reliability?

A
  1. Increase the no. of items based on Sampling Domain Effect and the Pearson - Brown method
  2. Perform Factor and Item analysis
  3. Correction of Attenuation
35
Q

It examines the correlation between each item and total score for the test

A

Discriminability analysis

36
Q

It examines the test if there have been no error

A

Correction of Attenuation

PSYCH ASSESSMENT (4 decks)

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