What do we call research that combines cross-sectional and longitudinal methods?

Which of the following best summarizes social-cognitive learning theory?

A) Children learn best through observation as long as they are consistently rewarded for the same behaviors. B) Children respond best to frequent reinforcement and praise. C) Rewards and punishers are not always necessary as children learn through observing siblings' interactions with their parents. D) Punishment is preferred over reinforcement as a means of teaching new behaviors.

Dahlia is 2 years old and has been sick more than 15 times this year. That is about average for a 2-year-old

Indicate whether the statement is true or false