norm-referenced test, criterion-referenced test and self
TRANSCRIPT
Norm-Referenced Test, Criterion-Referenced Test and Self-Referenced Test
Frameworks
Dr. R.MUTHAIYAN *,
M.Sc(Maths).,M.Sc(Psy).,M.Ed.,M.phil(Maths).,M.Phil(Edn).,MBA(HR).,PGDCA.,Ph.D.,
Assistant Professor and Research Supervisor,
Department of Education and Management,
Tamil University,Thanjavur-10
B.ANANTHI**,
Ph.D., Research Scholar,
Department of Education and Management,
Tamil University,Thanjavur-10
ABSTRACT
In norm referenced measurement an examinee’s performance is interpreted in terms of
the relative position held in some known group where as criterion referenced measurement an
examinee’s performance is interpreted in terms of mastery of the content in a specified domain
of instructionally relevant tasks. And then, Self-reference occurs in natural or formal languages,
when a sentence, idea or formula refers to itself. The reference may be expressed directly,
through some intermediate sentence or formula or by means of some encoding. For these three
types of measurement and interpretation to be meaningful and useful, evaluation instruments
have to be specifically designed for the type of interpretation to be made. Hence those three
differs from its unique characteristics of measuring instrument like planning the test, and etc.
Key Words: Measurement, Evaluation, Assessment, Learner, Score, Improvement.
INTRODUCTION
In education, evaluation is the process of using the measurements gathered in the assessments.
Teachers use this information to judge the relationship between what was intended by the instruction and
what was learned. They evaluate the information gathered to determine what students know and
understand, how far they have progressed and how fast and how their scores and progress compare to
those of other students9.
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Though the terms assessment and evaluation are often used interchangeably (Cooper, 1999)5,
many writers differentiate between them. Assessment is defined as gathering information or evidence, and
evaluation is the use of that information or evidence to make judgments (Snowman, McCown, and
Biehler, 2012)10. Measurement involves assigning numbers or scores to an "attribute or characteristic of a
person in such a way that the numbers describe the degree to which the person possesses the attribute"
(Nitco and Brookhart, 2011, p. 507)1. Assigning grade equivalents to scores on a standardized
achievement test is an example of measurement
Most countries are conferring a strategic role to evaluation and assessment as indispensable tools
for improvement, accountability, educational planning and policy development and are expanding their
use. This expansion results from increased demands for effectiveness, equity and quality in education to
meet economic and social needs. The greater importance of evaluation and assessment has involved the
creation of dedicated agencies which assume a central role in the governance of the evaluation and
assessment framework.
NORM-REFERENCED TEST
It is a preliminary test for comparing achievement of an examinee to a large group of examinees
at the same grade. The representative group is known as Norm group. Norm referenced test is a test
design to provide a measure of performance that is interpretable in terms of an individual‘s relative
standing in some known group. Norm group may be made up of examinees at the local level, district
level, state level or national level. Since the development of norm-referenced tests is expensive and time
consuming. Bormuth (1970) 3writes that Norms is to measure the growth in a student‘s attainment and to
compare his level of attainment with the levels reached by other students and norm group.
Norm-referenced refers to standardized tests that are designed to compare and rank test takers in relation
to one another. Norm-referenced tests report whether test takers performed better or worse than a
hypothetical average student, which is determined by comparing scores against the performance results of
a statistically selected group of test takers, typically of the same age or grade level, who have already
taken the exam.8
Norm-referenced scores are generally reported as a percentage or percentile ranking. For
example, a student who scores in the seventieth percentile performed as well or better than seventy
percent of other test takers of the same age or grade level, and thirty percent of students performed better
(as determined by Norming-group scores).
Norm-referenced tests often use a multiple-choice format, though some include open ended,
short-answer questions. They are usually based on some form of national standards, not locally
determined standards or curricula. IQ tests are among the most well-known norm referenced tests, as are
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developmental-screening tests, which are used to identify learning disabilities in young children or
determine eligibility for special-education services.
CHARACTERISTICS OF THE NORM-REFERENCED TEST
The characteristics of the norm reference test are as follows:
1. Defining
They measure the performance of a student in comparison to all students. But it does not define the
meaning of all. Thus, they measure the success of an educational restructuring against fixed aims.
2. Preset results
It means that the norms were traditionally set. And the score level is set at 50 percent. But, this goal is
really high to achieve if we talk about all the students.
3. Quality of Grades
The norms for grading are set by teachers according to them. But they have to judge the performance of
students. Also, the level of knowledge of both is different.
4. Changing Difficulty level
The difficulty level of scores changes from year to year. Also, the passing rates of students vary from
class to class. Likewise, 4th grade has different difficulty level and 10th grade has a different difficulty
level.
5. Fear of Failure
In norm reference test the students have fear of failure. Besides, it compares their performance with other
students.
6. Be competitive
Give students a chance to improve their performance. Also, students can know how much they have to
prepare to compete with others.
7. Being self-confident
It means that students should take their performance confidently. Also, they should work hard to improve
their performance.
USED OF NORM-REFERENCED TESTS
determine a young child‘s readiness for preschool or kindergarten. These tests may be
designed to measure oral-language ability, visual-motor skills, and cognitive and social
development. To evaluate basic reading, writing and math skills. Test results may be used for a
wide variety of purposes, such as measuring academic progress, making course assignments,
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determining readiness for grade promotion, or identifying the need for additional academic
support.
To identify specific learning disabilities, such as autism, dyslexia, or nonverbal learning
disability, or to determine eligibility for special-education services.
To make program-eligibility or college-admissions decisions (in these cases, norm referenced
scores are generally evaluated alongside other information about a student). Scores on SAT or
ACT exams are a common example.
Although testing experts and test developers warn that major educational decisions should not be
made on the basis of a single test score, norm-referenced scores are often misused in schools
when making critical educational decisions, such as grade promotion or retention, which can have
potentially harmful consequences for some students and student groups.
Norm-referenced tests encourage teachers to view students in terms of a bell curve, which can
lead them to lower academic expectations for certain groups of students, particularly special-
needs students, English-language learners, or minority groups. And when academic expectations
are consistently lowered year after year, students in these groups may never catch up to their
peers, creating a self-fulfilling prophecy. For a related discussion, see high expectations.
Multiple-choice tests- the dominant norm-referenced format are better suited to measuring
remembered facts than more complex forms of thinking. Consequently, norm-referenced tests
promote rote learning and memorization in schools over more sophisticated cognitive skills, such
as writing, critical reading, analytical thinking, problem solving, or creativity.
Over reliance on norm-referenced test results can lead to inadvertent discrimination against
minority groups and low-income student populations, both of which tend to face more
educational obstacles that non-minority students from higher-income households. For example,
many educators have argued that the overuse of norm-referenced testing has resulted in a
significant over representation of minority students in special-education programs. On the other
hand, using norm-referenced scores to determine placement in gifted and talented programs, or
other “enriched” learning opportunities, leads to the underrepresentation of minority and lower-
income students in these programs. Similarly, students from higher-income households may have
an unfair advantage in the college-admissions process because they can afford expensive test-
preparation services.
An overreliance on norm-referenced test scores undervalues important achievements, skills, and
abilities in favor of the more narrow set of skills measured by the tests.
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PROPONENTS OF NORM-REFERENCED TESTS
Norm-referenced tests can provide valuable information about student learning
The quality of norm-referenced tests are developed by testing experts, piloted and revised before
they are used with students and they are dependable and stable for what they are designed to
measure.
Norm-referenced tests can help differentiate students and identify those who may have specific
educational needs or deficits that require specialized assistance or learning environments.
The tests are an objective evaluation method that can decrease bias or favoritism when making
educational decisions. If there are limited places in a gifted and talented program, for example,
one transparent way to make the decision is to give every student the same test and allow the
highest-scoring students to gain entry.
MERITS OF NORM- REFERENCED TEST
To make differential predictions in aptitude testing.
To get a reliable rank ordering of the pupils with respect to the achievement
To identify the pupils who have mastered the essentials of the course more than others.
To select the best of the applicants for a particular programme.
To find out how effective a programme is in comparison to other possible programmes.
DEMERITS OF NORM -REFERENCED TEST
Test items answered by the students are not included in these test items because of their
inadequate contribution to response variance.
There is lack of congruence between what the test measures and what is stressed in a local
curriculum.
This promotes unhealthy competition and injurious to self-concepts of low scoring students.
Norm-referenced measurement is the traditional class based assignment. The measurement act relates
to some norm, group or a typical performance. It is an attempt to interpret the test results in terms of
performance of a certain group of students. So, this group is a norm group test scores. Thus norm-
referenced test typically attempts to measure more general category of competencies.
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CRITERION-REFERENCED TEST - DEFINITIONS
In a criterion referenced measurement framework, the student’s performance is described in terms
of his mastery of the content in a well defined content domain or his achievement with respect to an
explicit instructional objective by comparing his test score to some preset standard or criterion for
success.(Martuza 1977).
Criterion referenced interpretation enables one “to describe what an individual can do, without
reference to performance of others” (Gronlund, 1977, p.18). In criterion referenced measurement a
student’s performance is interpreted by comparing it to some specified behavioral criterion of proficiency.
Eg: Student A got 70% of items in a test on addition of numbers.
Student A has understood 80% of the basic concepts in an unit.
Student A can type 40 words per minute with error.
To polarize the distinction between norm referenced measurement and criterion referenced measurement,
it can be said that the focus of a norm referenced measurement, score is on, how many of a criterion
referenced measurement score is on, what is it that student A can do.(Mehrens, 1973)6
CRITERION-REFERENCED TEST
Criterion-referenced tests and assessments are designed to measure student performance against a
fixed set of predetermined criteria or learning standards - i.e., concise, written descriptions of what
students are expected to know and be able to do at a specific stage of their education. In elementary and
secondary education, criterion-referenced tests are used to evaluate whether students have learned a
specific body of knowledge or acquired a specific skill set.
If students perform at or above the established expectations - for example, by answering a certain
percentage of questions correctly, they will pass the test, meet the expected standards, or be deemed
proficient. On a criterion-referenced test, every student taking the exam could theoretically fail if they
don‘t meet the expected standard; alternatively, every student could earn the highest possible score. On
criterion-referenced tests, it is not only possible, but desirable, for every student to pass the test or earn a
perfect score. Criterion-referenced tests have been compared to driver’s license exams, which require
would-be drivers to achieve a minimum passing score to earn a license8.
Criterion-referenced tests may include multiple-choice questions, true-false questions, open-
ended questions (e.g., questions that ask students to write a short response or an essay), or a combination
of question types. Individual teachers may design the tests for use in a specific course, or they may be
created by teams of experts for large companies that have contracts with state departments of education.
Criterion-referenced tests may be high-stakes tests - i.e., tests that are used to make important decisions
about students, educators, schools, or districts - or they may be low-stakes tests‖ used to measure the
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academic achievement of individual students, identify learning problems, or inform instructional
adjustments.
CHARACTERISTICS OF THE CRITERION REFERENCED TEST
1. Authority
It actually assesses whether they measure what it claims or not. An individual item matches with its goal.
Also, if the situations and performance specified in the aim signify in the item or not.
2. Consistency
It means that if it always measures what it states. Also, consistency means if they have a high degree of
confidence in the scores or not. Any random error in the tool can make it unreliable.
3. Practicality
Not all assessment is reliable because of cost and time. It is not always possible to design reliable and
accurate tests. Also, the decision should considerably relate to important factors.
4. Subject Mastery
This help in the pathway the performance of students within the course of study. Also, test items can be
made to match precise purposes. Criterion reference test also judges how well the student knows and
understand the topic.
5. Managed Locally
Generally, these developed at the classroom level. Also, the teacher can easily check if the standards are
met or not. Besides, they also identify shortages. Results of tests are quickly obtained to give students
helpful feedback on performance.
USED OF CRITERION-REFERENCED TESTS
i. To determine whether students have learned expected knowledge and skills. If the criterion-
referenced tests are used to make decisions about grade promotion or diploma eligibility, they
would be considered high-stakes tests.
ii. To determine if students have learning gaps or academic deficits that need to be addressed.
iii. To evaluate the effectiveness of a course, academic program, or learning experience by using
pre-tests and post-tests to measure learning progress over the duration of the instructional
period.
iv. To evaluate the effectiveness of teachers by factoring test results into job-performance
evaluations
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v. To measure progress toward the goals and objectives described in an individualized
education plan‖ for students with disabilities.
vi. To determine if a student or teacher is qualified to receive a license or certificate.
vii. To measure the academic achievement of students in a given state, usually for the purposes of
comparing academic performance among schools and districts.
PROPONENTS OF CRITERION-REFERENCED TESTING
The tests can use to improve teaching and school performance.
The tests are evaluating achievement against a common and consistently applied set of criteria.
The tests apply the same learning standards to all students, which can hold underprivileged or
disadvantaged students to the same high expectations as other students.
The tests can be constructed with open-ended questions and tasks that require students to use
higher-level cognitive skills such as critical thinking, problem solving, reasoning, analysis, or
interpretation.
SELF-REFERENCED TEST
SRSI formula for ‘Self referenced Test’ was developed by Dr. R.Muthaiyan (2006)7 for his
doctoral research study. Self referenced test is used to ascertain an individual’s optimum capabilities
based on his/her own self reflection.(R.Muthaiyan, 2006)7
Self-referenced occurs in natural or formal languages, when a sentence, idea or formula refers to
itself. The reference may be expressed directly, through some intermediate sentence or formula or by
means of some encoding. In Philosophy, it also refers to the ability of a subject to speak of or refer to
itself: to have the kind of thought expressed by the first person nominative singular pronoun, the word-1
in English10.
Self-referenced is studied and has applications in mathematics, Philosophy, Computer
Programming and Linguistics. Self-referential statements are sometimes Paradoxical. In Computer
Science, self-reference occurs in reflection, where a program can read or modify its own instructions like
any other data. Numerous programming languages support reflection to some extent with varying degrees
of expressiveness. Additionally, self-reference is seen in recursion (related to the mathematical recurrence
relation), where a code structure refers back to itself during computation2.
SRT AND QUALITY IMPROVEMENT IN EDUCATION
The goal of education is to enable the individual to acquire optimum knowledge, skills, habits,
attitudes and values. To achieve these goals we need to identify the most essential competencies, attitudes
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and values. Learning is not a collection of information and memorizing it. It is an outcome of experience
in real life situations supported and strengthened by related classroom work. In this regard maximum
opportunities should be given to the students. SRT provides the maximum opportunities11.
NEED FOR USING SRT IN QUALITY IMPROVEMENT
One of the most commonly used measures of quality is the student’s test score. SRT provides the
kind of test score information needed to make individual decisions arising in objective based instructional
programmes. The more traditional Norm Referenced Test and Criterion Referenced Test are considered
less than ideal for providing the desired kind of test score information for self improvement7.
ITEM ANALYSIS OF SRT
The item analysis procedure of SRT is as follows:
i) Taking into account of difficulty index in the case of NRT.
ii) Taking into account of ‘s’ index in the case of CRT.
ACCORDING TO DR.R.MUTHAIYAN PROCEDURE FOR SELF REFERENCED TESTING
Test is developed based on NRT and CRT. A single test is administered to a set of students. Each
student score is noted (s) as “Preliminary Score”. The score is shown to each student. The student is
informed that one more chance is given to him/her for improvement. They are informed to point the
maximum possible attainment score that he/she could make in that chance. The expected score of the
student is marked as ‘ES’ and called “Self Referenced expected score” after treatment the students are
asked to write the test. The test is once again scored. The obtained new score is S2 and called “Actual
performance score”. Using these scores ‘SRSI’ value for each individual student’s is calculated. If the
individual wants to improve still further a second and third chance are also given.
In this way the optimum capabilities of each individual student is ascertained7.
DERIVATION OF THE FORMULA FORAVERAGE TOTAL SRSI IN PERCENTAGE
The formula to calculate SRSI (DR.R.MUTHAIYAN, 2006)
= Actual Performance score
Self−Referenced Expexted Score
= S2
ES
This can be converted into percentage so, SRSI in percentage
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= S2
ES x 100
Total SRSI = ∑S2
ES
ni=1
Total SRSI in percentage = ∑S2
ESx100n
i=1
COMPARISON OF TRADITIONAL NRT, CRT AND LATEST SRT
S. No Test Characteristics NRT CRT SRT
1 Purpose of the test To measure students
achievement and
compare with the levels
reached by other
student’s, helps to
describe pupil
performance in terms
of the relative position
held in some known
group.
To measure student’s
achievement and to
compare each
individual's
performance helps to
describe pupil's
performance in terms
of a specified domain
of instructionally
relevant tasks.
To measure
student’s
achievement and to
compare each
individual's
optimum
capabilities of the
performance to his
own self –
reflection.
2 Planning the test The test is typically
planned on the basis of
general descriptions of
subject matter topics
and process skills.
The test is typically
planned in terms of
specific behavior rally
stated objectives, each
providing the basis for
one or several related
test items.
The test is typically
planned terms of
specific
behaviorally stated
objectives and
general descriptions
of subject matter,
each providing the
basis for several
related test items.
3 Test Characteristic
Preparing the Test
items
Test Items are
constructed to produce
maximum variability in
performance across
students.
Test items are
constructed to represent
the domain of the
objective and to
measure proficiency for
a specified Task.
Test Items are
constructed to
represent the
domain of the
objective and to
measure an
individual's
optimum
capabilities based
on his / her own
self reflection.
4 Type of Test Items All types are used All types are used All types are used.
5 Criterion for No criterion for Objectives for criterion Objectives for
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Mastery mastery is customarily
specified.
referenced test items
designate a criterion for
mastery or it sometimes
can be inferred.
SRTs Items
designate a
criterion
ascertained by the
Individual student
taking Into his / her
optimum
capabilities based
on his / her own
self - reflection.
6 Criterion for
Mastery
Percentiles or standard
scores are employed
Employ percent correct
scores
Employ percent
correct Score.
7 Level of difficulty
of Items
Test items are of
medium difficulty
level, About thirty to
seventy percent of the
pupils answer correctly.
Difficulty index from
about 0-3 to 0-7 item
difficulty localized
around 50 %
Difficulty of the items
depends on the nature
of the specific learning
tasks to be measured.
Hence, vary widely in
difficulty but regularly
of the mastery type,
i.e., most of the
instruction has been
effective.
Difficulty of the
items depends on
the optimum
learning based on
self reflection,
hence the tests vary
widely based on
difficulty index but
at the same time
has the regularly of
the mastery type.
8 Item selection Item difficulty and the
discriminating power
of the item are used as
criteria. Deliberate
attempts are n.ade to
eliminate very easy and
very difficult items to
obtain a wide spread of
scores.
Items are selected on
the basis of how well
these relate the pacific
learning tasks. No
attempt is made to
modify items difficult,
on to eliminate easy
items from the rest, in
order to obtain a range
of scores.
Items are selected
on the basis of how
well these relate the
specific learning
tasks. No attempt is
made to modify
items difficulty, or
to eliminate easy
items from the rest ,
in order to obtain a
range of scores .
9 Interpreting the
result
A total score or Several
sub scores are
computed and a pupil's
relative standing in a
group or class is
ascertained. In case of
standardized tests,
norms are used
supplied by the
publisher to interpret
the test scores.
A Pupil's success or
failure on a test item or
small group of similar
test items is determined
and a statement is
prepared that describes
his performance solely
with reference to
certain performance
objectives, unlike norm
referenced test which
are provided with
A Pupil's success or
failure on a test
item or small group
of similar test Items
is determined and a
statement is
prepared that
describes his
performance solely
with reference to
certain performance
objectives unlike
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norms, criterion -
referenced test require
one to set one's own cut
off score " adequate
proficiency to interpret
the results. .
norm and criterion
references tests
SRT scores are
interpreted based
on the optimum
performance of the
students.
10 Validity Content, construct and
criterion - related
validity are appropriate.
Descriptive, functional
and domain - selection
validity are appropriate.
Descriptive,
functional and
domain - selection
validity ure
appropriate.
11 Reliability Classical estimates of
Reliability - Test -
retest equivalent form ,
split - hall and kuden -
Richardsen method
whichever method Is
appropriate and
suitable ) are typically
used
Classical estimates of
reliability are not
completely appropriate.
But concept of precise
measures one that the
small standard error of
measurement is still
important there have
been various attempts
to develop statistical
measures for estimating
the reliability of
criterion - referenced
test
Classical estimates
of reliability are not
completely
appropriate. But the
concept of precise
measures one that
the small standard
error of
measurement is still
Important there
have been various
attempts to develop
statistical measures
for estimating the
reliability of SRT
12 Common uses To determine the
relative standing of a
pupil within a
normative group. To
assist in the selection of
individuals for
educational
programmes,
employment etc.
To provide a more or
less global
representation of pupil
achievement in a
Specified learning area.
To ascertain a pupil's
status with respect to
established standards of
performance, thereby
determining what the
students know and can
do. To evaluate pupil
entry behaviour in a
sequence of instruction,
and to diagnose
learning difficulties of
pupils learning evaluate
the success of an
instructional
programme.
To ascertain a
pupil's status with
respect to
established
standards of
performance,
thereby determining
what the students
can prefer
optimally. To
evaluate pupil entry
behaviour in a
sequence of
Instruction, and to
diagnose learning
difficulties of
pupils To evaluate
the success of an
instructional
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programme.
13 Availability of
Standardized tests Tests are available
covering most of the
Curriculum area.
Attempts are being
made to develop
criterion referenced test
many of which focus
on the basic skills.
Attempts are being
made to develop
self - referenced
test many of which
focus on the basic
skills.
MERITS OF SELF REFERENCED TEST
Students himself knows his expectations and also his real performance. The feedback helps him
to monitor himself and this will lead him for further improvement until he/she achieves the optimum
capabilities. These self referenced tests prove us the famous quotation of Swami Vivekananda, “Arise,
Awake and stop not till your goal is reached”.
DEMERITS OF SELF REFERENCED TEST
To conclude a full-fledged SRT is time consuming as well as costly. However this can be
effectively administered during formative evaluation stage.
CONCLUSION
The foregoing discussion on the pros and cons of norm referenced test, criterion referenced test
and self referenced test and their procedures indicates that there is a place for both in educational testing.
As Mehrens( 1973)6 suggests the way most schools are currently organized with time of instruction
constant for all individuals and degree of learning the variable, discrimination testing should be prevalent.
However as more individualized instructional processes are used and more is learned about how various
subject matters should be sequenced, mastery testing may increase in importance.
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