Isabel is listening to a piece of classical music and tape recording all her feelings and impressions as she experiences them. isabel is using a technique similar to the research methodology of:

I believe the answer is: Structualism

Structualism refers to a way of thinking that see each small elements that make up a certain feeling or culture need to be understood before we can understand a the feeling or culture in much broader sense. Structuralism was first introduced in 1900s, by the studies initiated by the linguistics of Ferdinand de Saussure