Tests And Measurement Question Paper

Tests And Measurement

Course:Phd In Philosophy

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF DOCTOR OF
PHILOSOPHY
PSY/PHD/806: TESTS AND MEASUREMENT

DATE: Friday 24th April, 2009

TIME: 9.00 a.m. – 12.00 noon

INSTRUCTIONS
Answer ALL the questions.

1.
i. Define
Validity. [2
marks]

ii.
Discuss
the
three types of validity bringing out how each is determined.

[3 marks]

iii.
Discuss how a test or instrument can be made sound right from offset.

[5 marks]
2.
a)
Name three test properties that influence test reliability.
[3 marks]
b)
Discuss how these properties can be manipulated to increase test
reliability.
[3
marks]
c)
Suppose a statistical test has a reliability coefficient of 0.84 with a
standard deviation of 10.

i.
Compute the test’s standard error of measurement. [2 marks]

ii.
If a student scores 90 marks on the test, what would be the
I)
90%
II)
95%
Confidence
intervals
within
which his true score would lie.

[4 marks]
3.
a)
i.
Describe the three commonly used methods of estimating
reliability
coefficient.
[5
marks]
ii.
Distinguish between reliability and standard error of measurement.
[2 marks]

Page 1 of 2

b)
Discuss Generalizability and Reliability Theories bringing out differences
and similarities.

[6 marks]

4.
i.
Describe what are typical performance tests and maximal performance
tests.

[2 marks]

ii.
Discuss how you would assess personality.
[4
marks]
iii.
Discuss
individual and group tests with appropriate examples in each
case.

[2 marks]

5.
Discuss the differences of Objective and Essay tests.

[4 marks]
6. Discuss
five
uses
of
tests.
[5
marks]
7.
Explain the following as they relate to item analysis

a)
Item difficulty

[2 marks]
b)
Item
discrimination
[2
marks]
c)
Distracters
(distractors) [2
marks]
8.
i.
Discuss why raw scores have to be converted to standard scores and
normalized
scores?
[2
marks]
ii.
Distinguish between standardized scores and normalized scores.
[2 marks]

iii.
When are standardized and normalized equal?

[2 marks]

iv.
Given that a raw score distribution on a given test is normal with mean 55
and variance 9. Complete the table below using this information on
relevant values of z scores, percentile ranks, T scores and stanines:
Raw score
Z score
Percentile rank T score
Stanine
64

60
56
48
44
40

[6 marks]

……………………………
Page 2 of 2

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