"Powys Educational Psychology Service has actively promoted and encouraged the use of CoPS in all Powys schools"
Dr Alun Flynn, Principal Educational Psychologist, Powys, Wales

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LUCID EXACT NEWSLETTER Autumn 2011

Welcome to the first Lucid Exact Newsletter, bringing you up-to-date information about using Lucid Exact and news of changes to the regulations regarding assessment.

Lucid Exact is proving to be a great success, especially with busy teachers. It is being widely and successfully used in applications for access arrangements, and the particular benefits of computerised speeded tests in assessing students’ literacy skills are becoming more generally appreciated.

The value of speeded tests of literacy

Research shows that the underlying skills involved in reading and writing generally become automatic from the late primary school stage onwards. This allows mental focus on understanding what is read and on conveying clear meaning in writing. Unless individual words in complex text are processed quickly and effortlessly, it is extremely difficult to read with understanding. Similarly, unless the mechanical production of written words can be carried out quickly and effortlessly, it is extremely difficult for the writer to get down on paper what they intended.

Consequently, untimed literacy tests tend to give a misleading impression of the capabilities of students in secondary school and beyond, and may result in access arrangements being denied to some students who need them. In timed examinations the literacy skills of students with specific learning difficulties are likely to be much worse than would be predicted from untimed measures of those skills.

JCQ Regulations for 2011-12

The JCQ Regulations and Guidance on Access Arrangements, Reasonable Adjustments and Special Consideration for the period Sept 2011 – Aug 2012 can be downloaded from the JCQ website www.jcq.org.uk. Users of Lucid Exact may be interested to know how these new regulations apply to the tests in Exact and how these tests may be used in applying for Access Arrangements.

  • 1. The regulations on Learning Difficulties have been tightened so that most applications for access arrangements now require evidence of disability in the form of a standard score below 85 in a ‘recent edition of a nationally standardised test’ (e.g. Exact Reading Comprehension Accuracy) [JCQ Regulations 2011-12, p. 48, Section 4.3.2.7].

  • 2. Who can administer Exact? If Exact scores are to be used in an application for access arrangements, even for 25% extra time, they must have been administered by the Specialist Teacher or Educational Psychologist personally. Note, however, that if Exact has been administered as a screening test by a teacher or teaching assistant (for instance where it is thought that a student might be eligible for extra time), it is still possible for the specialist teacher to re-administer Exact (or one or more specific tests in Exact) using the parallel forms of the tests. [These can be reached by the ‘Add Student’ screen in the Student Register.]

  • 3. The Exact Word Recognition test is still not acceptable by JCQ as a measure of reading accuracy when applying for a reader because it is a timed test of single word reading (similar to TOWRE) [JCQ Regulations 2011-12, p. 49, Section 4.3.8.1]. However, our validation studies (see below) show that it is a very good test of single word reading, with scores very consistently located between those of WRAT4 and TOWRE. This test is therefore useful to help ‘paint a picture’ of a student’s disabilities (see ‘Value of speeded tests’ above), which is advocated by JCQ when applying for extra time up to 25% [JCQ Regulations 2011-12, p.5, Section 2.1.2]. This aspect of evidence gathering is considered further in point 7, below.

  • 4. The Exact Comprehension test is an acceptable test of reading comprehension [JCQ Regulations 2011-12, p. 49, Section 4.3.8.3]. However, it has been observed that some younger and/or low ability students may not attempt the comprehension questions appropriately, merely clicking on any answer when they can’t immediately work out the correct answer. This shows up in their times for comprehension on page 2 of the Exact results, where it can be seen that they have completed all the comprehension passages in well under the 10 minutes allowed. If this occurs, it is recommended that the results for this test should be discarded and the student re-assessed using the parallel form of the comprehension test, giving the student clear and firm instructions that they have to think about the questions and take proper care over the answers they choose. [The parallel form can be reached by the ‘Add Student’ screen in the Student Register.]

  • 5. Exact Reading Comprehension Speed is one of the few tests available that genuinely measures comprehension speed and is an acceptable measure of reading speed under JCQ guidelines [JCQ Regulations 2011-12, p. 49, Section 4.3.8.3]. However, the results become meaningless if the student races through the questions without considering the answers properly. Where this has occurred the computer will flag up the score as aberrant. It is advisable to check the times for the comprehension passages given on page 2 of the results to make sure that the student has done the test appropriately. Where aberrant results are detected or there is doubt about whether the student has attempted the test properly, it is recommended that the student should be re-assessed using the parallel form of the comprehension test. The student should be given clear and firm instructions that they have to think about the questions and take proper care over the answers they choose. [The parallel form can be reached by the ‘Add Student’ screen in the Student Register.]

  • 6. The Exact Dictation tests are particularly useful for showing those students who should use a keyboard (e.g. slow or illegible handwriting but competent typing speed). However, in cases where a student’s typing is as poor as their writing, a scribe would be more appropriate. JCQ have agreed that evidence of speed of handwriting to dictation (e.g. from Exact) is acceptable for this purpose, although the current version of JCQ Form 8 still only mentions evidence from free writing. In other cases where a scribe is being considered, a measure of free writing will normally be necessary [JCQ Regulations 2011-12, p.49, Section 4.3.9.1], but the Exact dictation tests are useful in showing those students for whom a keyboard may be more appropriate than a scribe. This is particularly relevant to students wishing to go to university, where fluency on a keyboard is important and scribes are not readily available.

  • 7. The candidate’s normal way of working. Section 2.1.2 (p. 5) of the current JCQ regulations requires that applications for extra time should “…paint a picture of the normal way of working for the candidate, clearly demonstrating the need for extra time of up to 25%.” The regulations go on to state that “The documentation presented for inspection purposes must show a compelling case for extra time of up to 25% with a clear and detailed picture of current need supported by a substantial weight of evidence to demonstrate difficulties.” Assessment evidence to support such applications “… must confirm that the candidate is unable to complete an assessment in the time allowed.” Since all the tests in Exact are speeded, scores below standard score 85 on these tests may be evidence of inability to complete an assessment in the time allowed, and thus may be used in painting a picture of the student’s capabilities and normal ways of working.

  • 8. Most dyslexic students prefer doing a computer-based test to oral testing because they feel it is non-judgemental. However, there are occasional students who are not comfortable with computers and may panic when faced with a computer mouse. This is likely to be obvious from their behaviour and their test results may be completely out of line with their general ability, their performance in class and any other tests they have done. In these circumstances it is recommended that their Exact results should not be used.

Validation of Lucid Exact

Validation studies of Lucid Exact were carried out during 2010-11 and the results are now available on the Lucid website Exact information page. Validation is the process of establishing that a test actually measures what it purports to measure. There are various ways of doing this, but the most common approach is to compare it with similar tests that are already accepted. The results showed that all the tests in Lucid Exact correlate significantly with equivalent conventional (pen and paper or individually administered) tests that are in regular use for exam access assessments, evidencing the validity of the tests in Exact.

Validation is sometimes confused with standardisation, which is an entirely different process. When standardising a test, it is necessary to have large numbers of individuals that comprise a representative sample of the population of the appropriate age. The total standardisation sample for Exact was 1,171 students, which compares with 853 students in the same age range used in the US standardisation of WRAT4 (WRAT4 has not been standardised in the UK). Large numbers of individuals are not necessary for test validation, although they should meet accepted psychometric standards for statistical analysis. An independent study of the writing and typing to dictation tests in Lucid Exact has also been published in the journal Educational and Child Psychology [2010, Vol. 28, pp.52-66]. This provides further support for the validity of these tests.

New export options for Lucid Exact

Since the Lucid Exact was released at the end of 2009, Lucid's software team has worked to improve the software, including fixing any anomalies when found. As a result of feedback from our customers, we have introduced two new export options into the reports engine of the software. The first option (introduced in November 2010 in version 1.03) allows the SENCo or administrator to export students' results to an Excel 2010 worksheet. The two options are:

  • (1) Export all raw data (as would appear in pages 1-3 of Lucid Exact reports) for any specified student.

  • (2) Export standard scores (with confidence intervals) for ALL students.

Please note that to take advantage of these Export options you need to have Office 2010 installed on the computer from which you wish to export.

The latest release of Lucid Exact is version 1.05 (both stand-alone and network versions), which includes the second of the above export features.

Please contact us at technical@lucid-research.com if you wish to upgrade your current version of Lucid Exact. Lucid always welcomes any feedback and suggestions from our customers about future improvements to Lucid Exact.


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