What is the term for the research method in which data is collected through participant responses to questions?

Jean Piaget proposed that the last stage of cognitive development, formal operational thought, was followed by at least three more stages of more advanced thinking, although he did not describe these stages in detail

Indicate whether the statement is true or false

Zinchenko suggested that the memorability of words was profoundly influenced by:

A) the meaning of the words B) the intelligence of the research participant C) the goal of the research participant D) the age of the research participant E) the length of the words