Quantitatively is the adverb from quantitative: you look at something by its numbers, not by how good it is or what kind it is. If two schools differ quantitatively, the amounts are different — more students, higher scores, longer hours — not necessarily that one is a different kind of school.

Quantitatively is the adverb from quantitativeQuantitatively是quantitative的副詞: you look at something by its numbers你是用數字來看一件事, not by how good it is or what kind it is而不是看它好不好，或是屬於哪一種。If two schools differ quantitatively如果兩間學校在quantitatively上有差異, the amounts are different代表的是數量不同——more students, higher scores, longer hours學生比較多、分數比較高、上課時間比較長——not necessarily that one is a different kind of school不代表其中一間是不同種類的學校。

You will see it in reports: measured quantitatively, analysed quantitatively. Its partner is qualitatively, which means 'in kind' or 'in quality'.

You will see it in reports你會在報告裡看到它: measured quantitatively, analysed quantitativelymeasured quantitatively（量化測量）、analysed quantitatively（量化分析）。Its partner is qualitatively它的對應詞是qualitatively, which means 'in kind' or 'in quality'意思是「在種類上」或「在品質上」。

Though actually, people sometimes say quantitatively when they only mean 'in figures' or 'by a large amount', which is looser than the textbook contrast with quality.

Though actually不過實際上, people sometimes say quantitatively有些人說quantitatively時 when they only mean 'in figures' or 'by a large amount'其實只是想表達「用數字」或「數量很大」, which is looser than the textbook contrast with quality這比教科書上跟quality對比的用法要鬆散一點。