Transcript Giving Feedback on Student Writing

ASSESSING WRITING (1)
Lecture 8
Teaching Writing in EFL/ESL
Joy Robbins
TODAY’S SESSION
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Your own experiences of assessment
The purposes of assessment
The concepts of reliability and validity in
assessment
3 different approaches to the scoring of writing
tests:
1. Holistic scoring
2. Analytic scoring
3. Primary and multiple trait scoring
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ASSESSMENT:
INTRODUCTORY DISCUSSION
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What’s the point of assessing writing?
How have your teachers at school and university
assessed your writing in your 1st and 2nd languages?
Do you think there was any point in assessing you?
Why (not)?
In what ways have the scores and grades you have
received on your writing (in L1 and L2) helped you
improve your writing?
If you are an experienced language teacher, what do
you feel are your greatest challenges in evaluating
student writing? If you aren’t an experienced
teacher, what makes you nervous about assessing
student writing? Why?
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(Based on questions in Ferris & Hedgcock 1998: 227)
WHAT’S THE POINT OF ASSESSMENT?
Brindley (2001) lists the following purposes of assessment:
 selection: e.g. to determine whether learners have
sufficient language proficiency to be able to undertake
tertiary study;
 certification: e.g. to provide people with a statement of
their language ability for employment purposes;
 accountability: e.g. to provide educational funding
authorities with evidence that intended learning outcomes
have been achieved and to justify expenditure;
 diagnosis: e.g. to identify learners’ strengths and
weaknesses;
 instructional decision-making: e.g. to decide what material
to present next or what to revise;
 motivation: e.g. to encourage learners to study harder.
(p.138)
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2 KEY TERMS
Two key terms in the literature on testing and
assessment are reliability and validity. Let’s
have a closer look at what each of these mean…
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RELIABILITY
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‘reliability refers to the consistency with which a
sample of student writing is assigned the same rank or
score after multiple ratings by trained evaluators’
(Ferris & Hedgcock 1998: 230)
For example:
if we’re marking an essay out of 20, the test will be far
more reliable if 2 markers both award an essay the
same grade (or more or less the same grade), say 16 or
17. However, if 1 marker awards 10 and the other
awards 15, the test isn’t reliable.
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The obvious way to try to achieve reliability is by
designing criteria (e.g. for content, organization,
grammar, etc.) which the markers refer to when
they’re marking the essay
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VALIDITY
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Validity refers to whether the test actually
measures what it is supposed to measure
Researchers have talked about several types of
validity, for example:
face validity
content validity
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FACE VALIDITY
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Face validity refers to how acceptable and
credible a test is to its users (Alderson et al 1995)
So if a test has high face validity, teachers and
learners believe it tests what it is supposed to
test
A test would have low face validity among
learners if they had been told a writing test was
mainly assessing the quality of their ideas if
they believed that teachers marked according to
how good the students’ grammar was
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CONTENT VALIDITY
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If a test has content validity, we have enough
language to make a judgement about the
student’s ability. So if a writing test is to have
content validity, we need to be confident we have
asked the student to do enough writing to display
their writing skills
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2 APPROACHES TO SCORING WRITING
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There are 2 main ways of scoring writing tests,
the holistic approach and the analytic
approach
Let’s look at each of these in turn…
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HOLISTIC SCORING
Holistic scoring means that the assessor assesses
the text generally, rather than focusing on 2 or 3
specific aspects
 The idea is that the assessor quickly reads
through a text, gets a global impression, and
awards a grade accordingly
 The holistic approach is supposed to respond to
the writing positively, rather than negatively
focusing on the things the writer has failed to do
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Let’s look at an example of holistic grading
criteria...
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HOLISTIC WRITING ASSESSMENT: AN
EXAMPLE
Have a look at the example of a holistic
marking scheme I’ve given you on the
handout, and discuss the questions…
Afterwards, based on this example, make a list
of pros and cons of using a holistic
approach to assessing writing
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HOLISTIC SCORING: ADVANTAGES
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Quick and easy, because there are few categories
for the teacher to choose from
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HOLISTIC SCORING: DISADVANTAGES
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Holistic scoring can’t provide the writing teacher
with diagnostic information about students’
writing, because it doesn’t focus on tangible aspects
of writing (e.g. organization, grammar, etc.)
The holistic approach only produces a single score,
so it’s less reliable than the analytical approach,
which produces several scores (e.g. content,
organization, grammar, etc.)…unless more than 1
assessor marks the tests
A single score can be difficult to interpret for both
teachers and students (‘What does 70% actually
mean?’ ‘What did I do well?’ ‘What did I do badly?’)
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HOLISTIC DISADVANTAGES (CONTD.)
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‘…the same score assigned to two different texts may
represent entirely distinct sets of characteristics even
if raters’ scores reflect a strict and consistent
application of the rubric. This can happen because a
holistic score compresses a range of interconnected
evaluations about all levels of the texts in question
(i.e., content, form, style, etc.)’. (Ferris & Hedgcock
1998: 234)
Even though assessors are supposed to assess a range
of features in holistic scoring (e.g. style, content,
organization, grammar, spelling, punctuation, etc.),
this isn’t easy to do. So some assessors may
(consciously or unconsciously) value 1 or 2 of these
criteria as more important than the others, and give
more weighting to these in their scores (Lumley &
McNamara 1995; McNamara 1996).
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ANALYTIC SCORING
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Analytic scoring separates different aspects of
writing (e.g. organization, ideas, spelling) and
grades them separately
Let’s look at an example of analytic grading
criteria...
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ANALYTIC WRITING ASSESSMENT: AN
EXAMPLE
Have a look at the example of an analytic
marking scheme I’ve given you on the
handout, and discuss the questions…
Afterwards, based on this example, make a list
of pros and cons of using an analytic
approach to assessing writing
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ANALYTIC SCORING: ADVANTAGES
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Analytic schemes provide learners with much more
meaningful feedback than holistic schemes. Teachers
can hand students’ essays back with the criteria (e.g.
marks out of 10 for organization, spelling, etc.) circled
which the writing was awarded
Analytic schemes can be designed to reflect the
priorities of the writing course. So, for instance, if you
have stressed the value of good organization on your
course, you can weight the analytic criteria so that
organization is worth 60% of the marks
Because assessors are assessing specific criteria, it’s
easier to train them than assessors who are using
holistic schemes (Cohen 1994; McNamara 1996;
Omaggio Hadley 1993; Weir 1990)
Analytic assessment is more dependable than holistic
assessment (Jonsson & Svingby, 2007: 135)
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ANALYTIC SCORING: DISADVANTAGES
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Surely a piece of good writing can’t be judged on
3 or 4 criteria?
Each of the scales may not be used separately
(even though they should be). So, for instance, if
the assessor gives a student a very high mark for
the ‘ideas’ scale, this may influence the rest of the
marks they award the student on the other scales
Descriptors for each scale may be difficult to use
(e.g. ‘What does ‘adequate organization’ mean?’)
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PRIMARY AND MULTIPLE TRAIT SCORING
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We’ve seen how the analytic approach can be
criticized for trying to assess a piece of writing on just
3 or 4 criteria…
Although primary and multiple trait scoring also use
specific criteria to assess writing, the advantage of
this approach is that the criteria assessed depend on
what kind of writing the student is doing
So primary and multiple trait scoring involves
‘devising and deploying a scoring guide that is unique
to each prompt and the student writing that it
generates’. (Ferris & Hedgcock 1998: 241)
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PRIMARY AND MULTIPLE TRAIT
SCORING: EXAMPLES
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If the writing exam consisted of persuasive writing
(e.g. Justify the case for the legalization of drugs), we
might design a scoring scheme based exclusively on
the ability to develop an argument
If we were using primary trait scoring, just 1 trait
would be assessed; if we were using multiple trait
scoring, two or more traits would be assessed
So in the example of the persuasive writing exam
described above, we might design a scoring scheme
which not only assessed the student’s ability to
develop an argument, but also assessed the student’s
use of counterargument, and the credibility of the
sources they use to support their own argument, etc.
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SAMPLE MULTIPLE TRAIT SCORING GUIDE
(FERRIS & HEDGCOCK 2005: 317)
Timed writing #3 – Comparative Analysis
In their respective essays, Chang (2004) and
Hunter (2004) express conflicting perspectives on
how technology has influenced the education and
training of the modern workforce. You will have
90 minutes in which to explain which author
presents the most persuasive argument and why.
On the basis of a brief summary of each author’s
point of view, compare the two essays and
determine which argument is the strongest for
you. State your position clearly, giving each essay
adequate coverage in your discussion.
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SAMPLE MULTIPLE TRAIT SCORING GUIDE
(FERRIS & HEDGCOCK 2005: 317)
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MULTIPLE TRAIT SCORING:
ADVANTAGES
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Multiple trait scoring doesn’t treat all writing as
the same: it assesses (or should assess) the really
important skills involved in different types of
writing
Providing the teacher has discussed the scoring
criteria with the class before the exam, the
students know exactly what they are being
assessed on
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MULTIPLE TRAIT SCORING:
DISADVANTAGES
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Can be extremely time consuming to design
specific assessment criteria for each type of
writing (Perkins 1983)
Scoring criteria would need to be extensively
piloted to ensure they really are assessing the
writing fairly
Having discussed the holistic, analytic, and
primary/multiple trait approaches, we’re
now going to try scoring an assignment
using the holistic approach…
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APPLICATION AND DISCUSSION:
HOLISTIC SCORING
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Use Ferris & Hedgcock’s holistic marking
scheme to assess a paper written by a student
on a pre-master’s academic English course at a
UK university
You need to do 2 things:
1. Give the paper a score based on the holistic
criteria;
2. Write on the paper, making specific
comments on the writing
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APPLICATION AND DISCUSSION (CONTD.)
In a pairs or groups, compare your score
and comments with those of your
colleagues.
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On what points did you agree or disagree?
Why?
If you disagreed, try to arrive at a consensus
evaluation of the essay.
After identifying the sources of your
agreement and disagreement, formulate a
list of future suggestions for using holistic
scoring rubrics. (Ferris & Hedgcock 1998:
261)
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REFERENCES
Alderson JC et al (1995) Language Test Construction and Evaluation.
Cambridge: Cambridge University Press.
Brindley G (2001) Assessment. In R. Carter & D. Nunan (eds.), The
Cambridge Guide to Teaching English to Speakers of Other Languages.
Cambridge: Cambridge University Press, pp.137-143.
Cohen A (1994) Assessing Language Ability in the Classroom (2nd ed.). Boston:
Heinle & Heinle.
Ferris D & Hedgcock JS (1998) Teaching ESL Composition: Purpose,
Process, and Practice. Mahwah: Lawrence Erlbaum.
Jonsson, A., & Svingby, G. (2007). The use of scoring rubrics: Reliability,
validity and educational consequences. Educational Research Review, 2(2),
130-144.
Lumley T & McNamara T (1995) Rater characteristics and rater bias:
implications for training. Language Testing 12: 54-71.
McNamara T (1996) Measuring Second Language Performance. London:
Longman.
Omaggio Hadley A (1994) Teaching Languages in Context (2nd ed.). Boston:
Heinle & Heinle.
Perkins K (1983) On the use of composition scoring techniques, objective
measures, and objective tests to evaluate ESL writing ability. TESOL
Quarterly 17: 651-671.
Weir CJ (1990) Communicative Language Testing. New York: Prentice Hall.
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THIS WEEK’S READING
Chapters 5 and 6 of:
Ferris D & Hedgcock JS (2005) Teaching
ESL Composition: Purpose, Process, and
Practice. Mahwah: Lawrence Erlbaum.
Min H-T (2005) Training students to
become successful peer reviewers. System
33: 293-308.
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HOMEWORK TASK
Use the analytic scoring scale to grade the presessional piece of writing you graded
holistically earlier today…
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Then work through the following questions:
How well do your analytic ratings match your
holistic ratings?
Where do the two sets of scores and comments
differ? Why?
Given the nature of the writing tasks you
evaluated, which of the two scales do you feel is
most appropriate? Why?
How might you modify one or both of the scales to
suit the students you teach?
(Adapted from Ferris & Hedgcock 1998: 261-2)
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