"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

LASS 11-15 - Lucid Assessment System for Schools

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View videos of Lucid LASS in actionView a sample report from LASSProduct software guides and administrators manuals

Computerised, multifunctional assessment for pupils of ALL abilities

LASS 11-15 - Sentence Reading test LASS 11-15 is a multifunctional assessment system that students find challenging and entertaining. The program employs the unique 'adaptive algorithm' developed by Lucid that ensures assessments are as brief as practicable without losing their accuracy. The test modules have been carefully designed and scientifically validated for pupils in the age range 11 - 15 years.

LASS 11-15 assesses:

  • Visual Memory
  • Auditory-verbal memory
  • Phonic reading skills
  • Phonological processing ability
  • Single word reading
  • Sentence Reading
  • Spelling
  • Reasoning

What does LASS 11-15 enable the teacher to do?

LASS 11-15 is very easy to administer. Students require only minumum supervision while doing tests. LASS enables teachers to identify students with dyslexia (specific learning difficulty) but it has many other important functions as well, including:

  • Assessing attainments in reading and spelling
  • Measuring discrepancies between actual and expected literacy attainment
  • Identifying underlying problems in memory or phonological skills
  • Monitoring development in reading and spelling on a regular basis
  • Evaluating progress in memory, phonological and phonic skills
  • Estimating the student's intelligence
  • Providing support evidence when applying for special arrangements in examinations
  • Reasoning

Using LASS results

LASS 11-15 - Graphical Profile of results Interpretation of LASS 11-15 results is straightforward, using the accompanying comprehensive teacher's manual. Percentiles, standard scores and age equivalents (including reading and spelling ages) are given. Results, in the form of graphical profiles and individual response records, clearly show childrens's strengths and weaknesses in comparison with national norms. Use of a standardised graphical profile makes it easy to spot students who are underperforming.

LASS 11-15 standardised norms cover the full ability range from below average to above average pupils. Any difficulties of a dyslexic nature or caused by underlying cognitive problems in phonology and/or memory can swiftly be identified. Assessment can be carried out on a regular basis to monitor progress. This information can be used in formulating Individual Education Plans (IEPs) and is valuable when considering whether or not to request a formal assessment by an educational psychologist. It can aslo be used as supporting evidence when applying for special arrangements in GCSE and other examinations.

  • Adaptive assessment in about 45 minutes
  • Enjoyed by even the most reluctant students
  • Easy to interpret
  • On CD or for Networks
  • Single word reading
  • Currently used in over 5,000 schools


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Lucid's programs were quoted as an example of good practice in the
House of Commons Education and Skills Committee Special Educational Needs Report
Third Report of Session 2005-2006 Volume 2
Oral and written evidence EV 100, 101, 114 and 115


Please note: unless otherwise stated, prices are in British Pounds (Sterling). Purchases made in other currencies will be converted to Sterling at the current rate and shown in your currency on your credit/debit card statement.
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