A population with a mean of ? = 6 has ?X = 54 . How many scores are in the population?
a. N = 9
b. N = 27
c. N = 6?54 = 324
d. Cannot be determined from the information given
A
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Compare and contrast the theoretical position of "lumpers" with that of "splitters" with regard to anxiety disorders
Answer:
Adolescents are more at risk for STIs than older age groups because they are more likely to engage in unsafe sex. The variable correlating most strongly with unsafe sex is _____
a. the age at which sexual activity begins b. the use of condoms c. whether teens engage in oral sex d. poor progress in school
What is one reason why naturalistic observation alone cannot solve the problem of demand characteristics?
A) It is impossible not to be detected. B) Some information requires direct interaction with participants. C) People become angry if they discover that someone has been watching them. D) Recording devices are too expensive for scientists to purchase.
Infants seems to realize that objects cannot disappear at one place and then magically appear at another when they are as young as
a. 2 weeks old. c. 2.5 months old. b. 1 month old. d. 4 months old.