CEM Yellis

About the measure

Subject

Maths

Assessment screening

Subscales

Vocabulary – word fluency and understanding, Mathematics – logical thinking, manipulating numbers and numerical concepts, Non-verbal ability – ability to match patterns, reflections and rotations and apply visual intuition

Publisher

CEM

Test source

https://www.cem.org/yellis

Guidelines available?

Yes

Norm-referenced scores

Yes

Age range

14 – 16;11 years

Key Stage

Key Stage 4

UK standardisation sample

Yes

Re-norming date

N/​a

Eligibility

Validity measures available?

No

Reliability measures available?

No

note whether shortlisted, and reasons why not if relevant

Shortlisted but insufficient information available to evaluate.

Is the norm-derived population appropriate and free from bias?

Does the standardisation sample represent the target/general population well?