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<p>No. Mainly that folks like you who do make adjustments and make an effort to different assumptions are often the exception, not the rule. Many more people have a hard time shifting gears to adjust to a different environment. </p>
<p>There’s also the factor that Americans/Westerners who relocate to live abroad often do not have to make as severe an adjustment as they can and do often avail themselves of American/Western oriented expat environments…including International Schools run along American/Western lines. Some take it to such extremes they could get away with spending decades in a foreign country without even learning basic greetings in the local language(s). </p>
<p>Not to mention the fact if they choose to enter an East Asian university, even an elite one, the admission procedures are often far less arduous than for the applicants applying domestically. Know this from family and from a HS classmate with dual-citizenship who ended up going to National Taiwan U as an engineering major. </p>
<p>Some even offer programs taught in English such as the University of Tokyo Computer Science/IS PhD program an American friend attended on full fellowship.</p>
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<p>Many national college entrance exams or ones for specific schools like the IITs have exams which test on many more subjects taught over a longer period. </p>
<p>There’s also the exam length factor. The East Asian national college entrance exams I know of are given over a matter of DAYS, not hours.</p>