Harry and Margaret Harlow (1966) conducted a series of experiments to demonstrate that feeding was not as critical to the attachment process as who suggested?

Formal schooling seems necessary for the development of __________, which occurs only

during the __________ period of cognitive development. a. empathy; concrete operational b. abstract reasoning; formal operational c. symbolic reasoning; preoperational d. deferred imitation; preoperational e. language; preoperational

When zoologist Christian Rutz and his colleagues outfitted shy

New Caledonian crows with "crow cams" to better understand their use of tools to forage for food, they were using the case study method. Indicate whether this statement is true or false