Page 22 - ELG2005 May Issue 470
P. 22

WHAT NEXT: NEW TECHNOLOGY                                          .                                                                                                                                           SPECIAL FEATURE


              Is AI poised to dominate testing?                                                                                      Zooming in on teacher training




              Can computers replace human language testers? They are getting                                                         Has the coronavirus crisis finally cracked the online teaching
              close, as John Roscoe finds out                                                                                        practice conundrum, asks Melanie Butler


                    he ascendance of artificial                                                                                           ondon is in lockdown. Colleges,   teaching experience. This remains extremely   Covid-19 may have made this necessary,
                    intelligence (AI) as the ultimate                                                                 NEEDPIX             universities and private language   rare, however, for distance degrees, none of   but it is new technological tools which have
                    solution to assessment of English                                                                                     schools are all closed. But the teacher   which, as far as we know, have turned to an   made it possible. While the earliest online
              Tlanguage proficiency has long been                                                                                    Ltraining department at International   online alternative.             teaching platforms worked well with one-to-
              anticipated. While its arrival may be                                                                                  House London is having a “miniboom”,    For initial training courses, such as those   one teaching, the newer multi-user interfaces
              imminent, it is, as of yet, only at the                                                                                according to Assistant Director, Jessica   run by Cambridge, face-to-face teaching   have brought the classroom into the
              threshold, according to the research findings                                                                          Andrews.                                                                   teacher’s home.
              of tech start-up, English Without Borders.                                                                               All their Celta courses, the                                               IH London, for example, uses Zoom,
                The company has been researching AI                                                                                  Cambridge four-week initial training    In an astonishingly short time,    which works best with groups of up to
              products and services with a view to                                                                                   programmes, are running, and the part-                                     ten students and allows the teacher to
              incorporating them into its platform, which is                                                                         time ones are proving particularly   online teaching practice was          simulate group work by putting students
              designed to assist business and industry in                                                                            popular with furloughed Londoners and                                      into digital break rooms.
              meeting their needs for an English-proficient                                                                          those working at home. And there is no       possible.                       Online education is particularly
              workforce.                                                                                                             shortage of learners wishing to sign up                                    suited to classroom observation, with
                It sees AI as on the verge of conquering                                                                             for the ‘practice classes’ where trainee   practice remains a sine qua non. That is, until   course tutors able to see what exactly is
              the final challenges to fully automated,                                                                               teachers try out their skills. “We have a   the UK government closed schools to most   happening without intruding in the lesson.
              objective evaluation of the English language                                                                           waiting list,” reports Andrews.     students on 23 March, leaving trainees on   While the ease of recording helps teachers in
              proficiency of job candidates. An impressive                                                                             But how are the teaching practice sessions   Celta courses stranded in mid-course. While   receiving feedback.
              number of Fortune 500 companies, including                         Can educators extract value from AI testing?        taking place? The answer is: online.   input sessions could be given online,   On top of this, in a world where more and
              the likes of Microsoft, Adecco and                                                                                       Distance teacher training is nothing new in   Cambridge rules required teaching practice   more EFL teachers are working online,
              Bombardier, are on the client lists of   The time required to take the online tests   One company’s product offered    the world of English language teaching. The   to be face-to-face.       practising on line will also become
              companies developing AI English evaluation.   averaged one hour; substantially less than   compensatory features, including   ‘Distance Delta’, as the
              Even some national governments are offering   most traditional assessments. While this did   reproduction and markings of the test   Cambridge Diploma
              the tests to employees.             much to eliminate the possibility of errors   submissions for review by the client (not the   programme run by
                The formats used in English testing via AI   caused by fatigue, there was a feeling that, in   test-taker). Its proficiency-level matrices   International House and the
              mirror traditional proctored, centre-based   some areas, the depth of testing might be   could also be manually adjusted by the client,   British Council is known, is
              evaluations. They cover the four    barely adequate.                   meaning it was not a one-size-fits-all          now more than 35 years old,
              competencies: listening and reading                                        evaluation.                                 while the NILE Norwich
              comprehension, and spoken and written                                        The test scores are valuable tools in a   Masters course is over 20
              expression. They outshine the most    The test scores are valuable         recruiter’s toolbox but shouldn’t be used   years old as, indeed, are
              widely-used traditional assessments in                                     as absolute determiners in choosing         many of the Masters courses
              the ease and flexibility of the on-  tools in a recruiter’s toolbox but    candidates.                                 listed on page 24. And
              demand tests, a much lower cost and   shouldn’t be used as absolute          The fact that AI demonstrates deficits    online Celta courses have
              the instantaneous delivery of results.                                     in assessing writing is a well-known        been available for a decade.
                I am a project contributor to English   determiners in choosing          phenomenon. Some time ago a provider          But until Covid-19, the
              Without Borders research and                                               of traditional English language tests had   impossibility of providing
              development, having worked for two         candidates.                     its AI essay evaluation algorithm           good teaching practice
              decades with English proficiency exams,                                    ‘gamed’ by a prep-instructor, resulting in   online, especially for group
              including, Teofl, Toeic and Ielts, as well as   Some of the multiple-choice questions   outrage, backlash and a renewed emphasis on   classes, has meant that all
              preparing students for the English essay   seemed arbitrary, with options that were   human markers.                   pre-experience training had
              portion of the Brazilian Foreign Service   synonymous and without discernible   Newer technology appears on track to   a face-to-face element.
              Exam.                               connotative differences. The identification of   eliminate this problem. As any of the 500   It is worth noting that
                I was recruited to evaluate the accuracy of   the passive-voice was tested, but not its use –   million daily users of Google Translate know,   teaching practice, or
              the AI tests, and the user interfaces. A   the value of this in screening a potential   AI language capacity has advanced by leaps   practicums, are not given
              sample of Brazilian English speakers, ranging   employee seems unclear.   and bounds, since Google went from Phrase-   the same importance across   Online meeting rooms can work well for practicums, and particularly for observations
              from basic to highly advanced, were recruited   Overall, it emerged that AI appeared to   Based Machine Translation to Google Neural   all cultures. In the US,
              to take the tests and native English speakers   corroborate previous subjective assessments   Machine Learning in 2008.    practicums are often optional, with theory   Faced with trainees, like those at IH   increasingly necessary.
              with graduate degrees also participated.   of the Brazilian test-takers. However, it   If test providers can similarly eliminate the   taking pride of place. In China, observation   London, who had only one more session to   But this is not a panacea. Younger learners
              Finally, project contributors took the tests   seemed to be inordinately harsh to all of the   problems in assessing writing, the advantages   of ‘master’ teachers is seen as key. In Britain,   do before they could complete their course,   may bridle at the physical restrictions, and it
              themselves.                         native speakers in scoring. Even native   of AI will far outweigh the disadvantages, for   and to a lesser extent throughout the   Cambridge initially allowed for one of the   may be harder to vary the pace and rhythm
                We evaluated several assessment suppliers.   speaker consultants scored just 40 percent on   both test-takers and test-givers.    Commonwealth, experience in the classroom   compulsory classroom practices to take place   of the lesson and to build group cohesion. It
              Privacy agreements mean I cannot name the   the essay! Project team members agreed that   One remaining caveat is the prevention of   is seen as essential for pre-experience   online.        may also, as some IH London students have
              companies, test content or mechanisms.    the AI algorithm may have interpreted a   fraud and cheating offered by proctored tests   training, though not for post-graduate   They then contacted many of the larger   commented, be less fun.
                I can, however, report that interfaces   challenge to the premise of the essay question   at registered sites. While a valid concern, it is   courses like Masters degrees, which in the   training providers to see how the situation   Certainly, online practicums should not be
              varied. Some were slightly confusing and ill-  as ‘irrelevant content’, whereas a human   worth noting that in light of the Covid-19   UK have traditionally been taken by teachers   could be managed. Discussions ensued   seen as a complete replacement for face-to-
              timed, with little orientation offered to   evaluator may not.         quarantine, ETS is now offering off-site Toefl   after several years of classroom experience.   involving technological tools and possible   face practice, although they can certainly
              presumably nervous test-takers. Others were   Grammatical assessments failed to note   testing.                          However, demand from overseas markets   tweaks to criteria such as group sizes and   complement it. When the lockdowns are
              considerate and intuitive, giving test-takers   one mistake and did not accept an idiomatic                            for Masters degrees which do not require   observation schemes. In an astonishingly   over, Cambridge should certainly reinstate
              adequate instruction and practice examples,   inclusion. A second attempt, written in a   John Roscoe is an EFL consultant working   classroom experience, but which do offer   short time, online teaching practice was   face-to-face practice. Were they to banish
              along with sufficient time to digest   more straightforward manner, scored 80   in Brazil.                             classroom practice, has meant that campus-  possible. But only for as long as the   online teaching practice completely, they
              instructions offered in the test-takers’ L1.   percent higher.                                                         based post-graduate degrees now offer   coronavirus crisis made it necessary.   would be banishing a useful tool.

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