Which of the following schedules of reinforcement involves providing a reinforcer based on the passage of a specific and constant amount of time?

Many parents refuse to take their infants on vacations on the basis that they will not remember it anyway

Which of the following may lend some credence to their decision? A) Most people don't have accurate memories before the age of 3. Correct. Although a lot of important development obviously happens in the first few years of life, we do not consciously remember it. B) Many people possess the memories from their earlier years but cannot access them. C) Most adults had no sense of self until they were 3 years old, making encoding more difficult. D) Despite popular belief, many adults have distinct memories dating back to infancy.

Which person is most likely to die due to heart disease?

a) Ruth, an African-American woman b) Reita, a white woman c) Milton, a white man d) Calvin, an African-American man