Answer:
Both scenario A and D.
Explanation:
The study examining infants' ability to do simple arithmetic that showed infants one or two dolls and then either added or subtracted a doll from behind a screen demonstrated that infants were surprised in which of A: A doll is placed behind a screen where another doll was initially present, and lowering of the screen reveals a single doll and D: A doll is removed from behind a screen where two dolls were initially present, and lowering of the screen reveals two dolls.
Salt in the ocean comes from rocks on the land ...the rain that falls on the land contains some dissolved carbon dioxide from the surrounding air
The answer to this question is <span> fixed ratio
In a </span> fixed ratio schedule of reinforcement, it requires <span>subjects to provides a set number of responses and a reward will be given after the completion of a certain numbers. Because of the high certainty, we will tend to receive high and steady rate of response if we use this type of schedule.</span>
