A reflexive response elicited by a stimulus in the absence of learning is called a conditioned response

Which of the following statements regarding the beginning of the sensorimotor stage is FALSE?

A) Children in this stage learn about the world through their senses (e.g., hearing, seeing, tasting). B) Children in this stage are able to create mental representations of physical objects outside themselves. C) Children in this stage "think" by making sensory contact with objects. D) Children in this stage "think" by making motor contact with objects.

The difference between primary and secondary insomnia is

a. the length of time the insomnia has lasted. b. the cause of the difficulty of falling asleep. c. the age of onset. d. the likelihood of being affected at a given time of year (seasonal). e. the time of the night that the sleeplessness occurs.