Which of the Following Is an Example of Intramethod Mixing

Multiple Choice

Which of the following is an example of intramethod mixing?

A) Time-interval sampling and interviewing teachers about student behaviors.
B) Interviews and focus groups with teachers about effective teaching strategies.
C) Tests and questionnaires that assess student learning.
D) Counting the frequencies of children's reaction and rating the positivity of the interactions from videotapes of children's interactions.