If you wanted to measure the level of people's happiness, you could create an inventory to assess happiness. Your data would be imperfect because your inventory would not be perfectly valid, leading to
a. nonsampling error.
b. reduction in convergent validity.
c. reduction in reliability
d. measurement error.
d
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According to ecological theory, why do children develop stranger anxiety?
a. It suggests that children think their parents have abandoned them, thus reducing the availability of breastmilk. b. It may be a survival strategy that enables babies to perceive unfamiliar faces as potentially threatening. c. It is a fear response, also named the "Moro Reflex," that helps children alert other children to the presence of danger. d. It goes back to the Stone Age, when children would cry when a potential predator appeared at the entrance of caves. This signaled to the parent to go into "protection" mode.
The ability to mentally represent and remember objects and events is
A. representational ability. B. not developed until Piaget's concrete operations stage. C. developed early in infancy. D. object permanence.
People often construct their social world to explain behavior and make it seem orderly, ___ and ___.
Fill in the blank(s) with the appropriate word(s).
According to Bakeman and Gottman (1997), a reason to check for interrater reliability is that it helps in ensuring that observers are accurate and that procedures used are reproducible.
Answer the following statement true (T) or false (F)