What theorist is credited with coining the term "object permanence"?

Describe the normal probability distribution of scores on the IQ test. Include the mean score and discuss the high and low scores and how we give meaning to those scores

What will be an ideal response?

With tertiary circular reactions,

a. trial and error is used in order to learn how things work. b. trial and error is not needed. c. the child will give up if something does not work the first time. d. the child will rely on someone else to react