A professor considers the difference of validity of his mid-term exam between male and female students. This professor is dealing with

When Eduardo comes home from second grade,

he tells his mother that he learned the names of the planets in order today. Over time, Eduardo will forget when and where he learned the names of the planets but will retain the planet names forever. This illustrates that the formation of semantic memories is due to the forgetting of __________ memories. a. episodic b. echoic c. procedural d. skill

Social facilitation theory suggests that tasks like walking, brushing one's teeth, or counting will be ____ by the presence of others. It also suggests that tasks like solving a difficult math problem or crossword puzzle will be ____ by the presence of others

a. unaffected; enhanced b. enhanced; enhanced as well c. enhanced; unaffected d. enhanced; hindered