River and Skylar are MZ twins who have performed very similarly on an intelligence test. For this trait, this set of twins is
A). valid.
B). concordant.
C). reliable
D). discordant
Ans: B). concordant.
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In an observational study of children in a day care setting, you select one participant at a time for observation. This is an example of using ____
a. time sampling b. event sampling c. individual sampling d. interval methodology
Most recreational drugs produce their effects by ________
a. blocking or enhancing the actions of neurotransmitters. b. killing GABA neurons. c. causing glial cells to produce excess myelin. d. blocking glial cells from producing myelin.
Balancing the bottom line and ethics is now seen as a smart business move.
Answer the following statement true (T) or false (F)
The ____________________ principle relates to the fact that the brain and spinal cord develop before the infant can control its arms and legs
Fill in the blank(s) with correct word