Final answer:
The terms intrusiveness and restrictiveness are used in three different ways: conceptually, operationally, and contextually. Correct option is a.
Step-by-step explanation:
The terms intrusiveness and restrictiveness are used in three different ways: conceptually, operationally, and contextually. Conceptually, they refer to the understanding and interpretation of these terms in theories and frameworks. Operationally, they pertain to how these terms are defined and measured in specific research or practical contexts. Lastly, contextually, they relate to the specific situations or circumstances in which intrusiveness and restrictiveness are observed or experienced.