The phenomenon in which among the population as a whole, IQ scores have been steadily increasing over several decades is known as the Flynn Effect.
The Flynn Effect describes the phenomenon of rising average IQ scores over time. The rate of change in IQ scores has been about three IQ points per decade.
Per the Flynn effect theory, the rise in IQ scores can be attributed in part to advancements in education and nourishment. People are also learning more, and new tech - computers, the Internet - forces them to believe more abstractly. All of this contributes to a rise in IQ.
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The correct answer is letter B
Explanation: This technique is very common and consists of selecting a population sample that is accessible. That is, the individuals employed in this research are selected because they are readily available, not because they were selected using a statistical criterion.
Answer:
Their families have recently started three street fights.
Explanation:
