Question

sasha is a musician who wants to know what kinds of melodies people tend to enjoy. in terms of the goals of the scientific enterprise, her question is about description. prediction. control. measurement. a group of scientists want to test whether having close friends in the same class improves student performance. if they want to apply an operational definition to this study, which of

Explanation:

1. For Sasha's question: Her goal is to identify and document the types of melodies people enjoy, which aligns with describing a phenomenon, a core goal of scientific description.
2. For the scientists' study: An operational definition is needed to quantify or define variables to measure them. To test if close friends in class improve performance, they need to define and measure both "close friends" and "student performance" through measurement to collect comparable data.

Answer:

1. Sasha's question: description.
2. For the scientists' study: measurement.