Seven-year-old Megan only plays with girls, thinks that boys are weird, and attends second grade. She is most likely in which of Freud's psychosexual stages?

The final position in Perry's scheme of cognitive and ethical development is: "Things are getting contradictory. I can't make sense out of life's dilemmas."

Indicate whether this statement is true or false.

What is the most accurate conclusion from research conducted on primate language abilities?

a. Primates can learn some aspects of human language, though many differences remain. b. Primates can learn human language in full. c. Primates cannot learn human language in any way. d. There are not enough research data to reach reliable conclusions on this topic.