Ten Criteria For Effective ELA-Reading Diagnostic Assessments

Diagnostic assessments are essential instructional tools4. Diagnostic assessments should measure important
for effective English-language Arts and readingELA/reading concepts or skills. Although we may
teachers. However, many teachers resist using thesedisagree on a few of the details, few teachers would
tools because they can be time-consuming toargue that assessing a student's reading level is not as
administer, grade, record, and analyze. Some teachersimportant as assessing a student's ability to correctly
avoid diagnostic assessments because thesename the four classifications of sentences.
teachers exclusively focus on grade-level5. Diagnostic tests should help the teacher determine
standards-based instruction or believe that remediationthe relative strengths and weaknesses of the individual
is (or was) the job of some other teacher. To bestudent, and not just those of the class. A teacher
honest, some teachers resist diagnostic tests becauseneeds more information than simply what to
the data might induce them to differentiate instruction-aemphasize in instruction or what to re-teach to "most"
daunting task for any teacher. And some teachersof the class.
resist diagnostic assessments because they fear that6. Diagnostic instruments should be quantitative.
the data will be used by administrators to hold themAlthough qualitative assessment, such as a class
accountable for individual student progress.discussion, is useful to inform direct instruction, internally
To ameliorate these concerns, let's agree to the tenand externally valid and reliable assessments that
criteria for effective ELA/reading diagnosticproduce hard numbers provide objective baselines for
assessments:instruction, and guide later formative and summative
1. Diagnostic tests should be designed to beassessments.
administered "whole class." While one-on-one time with7. Diagnostic tests should be designed to measure
a student is wonderful; it just isn't a practical approachacademic skills and abilities within our control. Although
for teachers with class sizes pushing forty in manycognitive ability, family background, culture,
schools. I won't throw the baby out with the bathsocio-economic status, and language certainly impact
water on this one. Individual assessments arewhat students know, these important variables are
sometimes necessary as double-checks orbeyond the scope of useful diagnostic assessments.
refinements, and an individual fluency assessment is aWe need diagnostic assessments that won't isolate
must for elementary, middle, and some high schoolthese variables. For example, a diagnostic assessment
students. However, my experience is that effectivethat measures only the phonetic regularities common
whole class diagnostic assessments can produceto English and Spanish, ignores those sound-spellings
results that are just as reliable and prescriptive as theexclusive to English that all students need to master.
time-consuming individual assessments.Or as a further example, knowing that there is a racial
2. Diagnostic tests should be brief. Despite theethnic website. Most of these assessments are
oft-repeated dictum, assessment is not reallymultiple choice and are administered "whole class." All
instruction.have recording matrices to help the teacher plan for
3. Diagnostic instruments should be designed toindividual and small group instruction. Once, teachers
measure only what they purport to measure. Foradminister these assessments and analyze the data,
example, a diagnostic fluency assessment thatmany will wish to purchase my teaching resources
produces inaccurate results because it uses unfamiliarTeaching Reading Strategies, and Teaching Spelling
terminology or difficult names is useless. A grammarand Vocabulary to differentiate instruction precisely
assessment that pretends to measure correct usageaccording to the data of these diagnostic
by having students match a past perfect participle toassessments. Why not try these with your students?
its definition does not accomplish its purpose.