randomized controlled trial
change, take the form of, influence, enchant, delude, -ization
カ / ば.ける
compare, race, ratio, Philippines
ヒ / くら.べる
contrast, compare
カク / くら.べる
test, try, attempt, experiment, ordeal
シ / こころ.みる
verification, effect, testing
ケン / あかし