What do you mean, you mean know?
Answer:
B). Formal.
Explanation:
'Formal' learning is described as the learning procedure which involves intentional and purposeful learning from the trained teachers or instructors in an organized and systematic manner.
As per the question, the description provided here exemplifies 'formal' learning as the 'ballet student learns from a trained instructor' who would teach him in a structured way with certain consciously specified objectives. Thus, <u>option B</u> is the correct answer.
The written guide the researcher uses in writing the research paper is the "outline" although it should be noted that researches use many different things for guides.
Its <u><em>valid</em></u>
VALID is something that is very logical and makes sense in the topic situation
The answer is therefore <u><em>VALID</em></u>
