What is the most commonly used method in social science research?

What type of behavior do infants identified as disorganized in the Strange Situation exhibit in

modified Strange Situations when they become older? A) Similar contradictory, disorganized behavior. B) Dissociation, or the tendency to briefly lose track of their own behavior or thoughts. C) Clumsy, mis-directed behavior, such as suddenly tripping or falling over toys. D) Controlling behavior directed toward the caregiver.

What percentage of Americans over 85 is impaired enough in their activities of daily living (ADL) capacities to be institutionalized in a nursing home or other facility?

a. 10% b. 25% c. 50% d. 80%