Z poniższego artykułu wynika, że jest to nowy system w szkołach, wg. którego dzieciom nie wolno robić zadania domowego w domu, muszą je robić w szkole pod nadzorem nauczyciela. Proponuję: "praca/nauka pod nadzorem nauczyciela"

Controlled assessment[edit]
In some subjects, one or more controlled assessment assignments may also be completed. Controlled assessment can contribute to anything from 10–60% of a pupil's final grade, with more practical subjects, such as design and technology (60%), art (60%), ICT (60%), music (60%) and English (60%) often having a heavier coursework element. The rest of a pupil's grade (normally the majority) is determined by their performance in examinations. These exams may either be terminal exams at the end of Year 11, a series of modular examinations or taken throughout the course, or a combination of the two. Pupils can sometimes resit modular examinations later in the course and attempt to improve their grade.
In terms of stress, the upside of controlled assessment is that it can help to ease the stress of examination because students who undertake their coursework with skill and diligence have already achieved around 20% of the marks accounting for their final grade, however the downside is that this means students have a greater workload to complete, sometimes having to produce a large amount of work for a minimal part of the overall grade. For example, in English a student may have to complete 4 pieces of coursework, each over a thousand words long, which individually only account for 5% of the grade. However, this varies between exam boards.
Controlled assessment was usually completed outside of lessons, however concerns about cheating have meant that more and more is now being completed in the classroom, under supervision. For many courses starting in September 2009, including those in Economics, Science and History, a requirement will be that controlled assessment is completed in a controlled environment within schools. Design and Technology subjects also switch to the new, more controlled, environment, with time limits and restrictions on the variety of projects allowed.[10] However, despite hopes that controlled assessment would eliminate the possibility of cheating, it still goes on. There are many cases of teachers allowing students to complete the work at home after the teacher has corrected and marked it, which does not comply with the "controlled" element of this assessment. An Ofqual investigation shows that most teachers are deeply dissatisfied with controlled assessment.[

... i nie odnoszę tu tak bardzo lustrzanie - "kontrolna" do "controlled" (!)

Odniósłbym to do - pracy kontrolnej w rzeczywistości polskiego gimnazjum, gdzie jednak najbardziej wspólnym elementem jest zgromadzenie jak największej ilości uczniów w jednym terminie.

"controlled assessment" nie jest "zadaniem egzaminacyjnym". Jest rodzajem sprawdzianu przed GCSE - wieńczącym "11".
Termin z pytania należy brać pod uwagę w kontekście brytyjskiego GCSE, gdzie słowo "egzamin/examination" jest wyraźnie ulokowane. Nie kierowałbym "controlled assessment" ku egzaminowi, a raczej - wytycznym (task setting; task taking; and task marking), na podstawie których następuje wewnętrzna ocena.
"controlled assessment" nie ma rangi egzaminu, chociaż zadania są kontrolowane metodami egzaminacyjnymi, w rozbudowaniu o np. nadzorowany dostęp do słowników, encyklopedii, czy - jak dziś - do zasobów internetowych.
W końcu - pytanie jest o "assessment", a nie - "task", więc o - ocenę zadań, a nie o zadanie per se. Już lepsze byłoby - samo "egzamin" (ew. "praca kontrolna") - rozumiane jako forma oceny.

http://www2.ofqual.gov.uk/files/QCA-09_4147_Changes_to_GCSE_...