In his graduation speech, Darian did well at the beginning and the end of the speech but faltered in remembering the information he wanted to express during the middle section of his speech, which illustrates the __________ effect

In operant conditioning, _____________ is necessary to create the association between the stimulus and the repetition of a voluntary response

a) reinforcement b) the law of negative effect c) conditional emotional linkages d) a long time delay

Learning a second language is easier to do in childhood than in adulthood. This is an

example of __________ periods in perceptual development. Fill in the blanks with correct word