Juanita is upset with Arthur. During a social gathering, he makes rude remarks about her in front of others. Arthur's behavior exemplifies:

The fact that 14 nations have shown average IQ gains of from five to 25 points during the last 30 years is referred to as the __________ effect

Fill in the blank(s) with correct word

From a research perspective, childhood encompasses a very long period. Who wrote the first book emphasizing adolescence as a distinct developmental period?

a) Charles Darwin b) Alfred Binet c) G. Stanley Hall d) Jean-Jacques Rousseau