The correct answer is letter A.
Explanation: Observational learning was studied by Albert Bandura (1925-1998), who developed several experiments to substantiate his theory.
According to Bandura, social learning occurs by observing the behaviors of those with whom we live (parents, friends, teachers). Bandura refers to modeling as the social learning process based on social observation and imitation.
They are more likely to contract water borne diseases due to the lack of proper drinking water.
D. A frame is a list of the individuals in the population being studied.
70% of Africa has died of aids deaths or HIV