teasing apart

'make it stick' (副題はThe Science of Successful Learning)を読み始めました。

'Learning Is Misunderstood' の章から引用します。

Subsequent experiments at Washington University, aimed at teasing apart some of the questions the earlier studies had raised, assessed the benefits of rereading among students of differing abilities, in a learning situation paralleling that faced by students in classes. A total of 148 students read five different passages taken from text books and Scientific American.

からかう意味の "tease" は知っていますが、この "teasing apart" の "teasing" はその意味とは無関係ですね。 "teasing apart" の慣用句は無かったので "tease" で意味を調べました。
次の様な関係がありそうな用法、と意味がありました。
・Collins Dictionary: to gently shred or pull apart (tissues, etc.) for microscopic examination, cellular research, etc.
更に他の辞書も見ると、"teasing something apart" の説明が次の辞書にありました。
・Cambridge English Dictionary: to look at the separate features of something in a detailed way in order to separate out different features and see how they relate to each other: The researchers are aiming to tease apart the mysteries of the ocean's carbon cycle.

これですね探していた意味は。