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​In an experiment, the independent variable is the behavior that is being

Prenatal development, brain maturation, puberty, and menopause are all examples of ____ forces.​

​To help children learn the difference between the roles of speaker and listener in a conversation, adults should encourage ____ soon after children begin to speak.

​Martika is an accomplished businesswoman, and has decided to retire at the age of 53 years. She has begun taking cello lessons, something in which she has always been interested. While her friends keep telling her that it is too late for her to learn such a complex skill, she has started getting rather good on her instrument. Martika’s midlife development of a new skill demonstrates

​Which two perspectives share the common feature of drawing attention to the role of aging and its unique influences in the broader context of human development?

​Sally steps on her bathroom scale, and it tells her that she weighs 145 pounds. When she steps on it again after her shower, she gets the same result. In fact, it has told her that her weight is stable at 145 pounds for several days now. This is very distressing to Sally, because she knows she actually only weighs around 127 pounds. Based on her observations, what can more accurately be said about the measurements provided by Sally’s scale?

​The _______________ issue asks whether developmental phenomena represent a smooth progression through the life span or a series of abrupt shifts.

​According to Erikson’s concept of ____, different life periods are associated with different psychosocial strengths. 

​While observing brain activity, Dr. Smith proclaims, “This brain is definitely experiencing a downsizing in the number of connections between neurons.” This indicates that the brain Dr. Smith is studying is undergoing

​Why would a person be naturally concerned about undergoing an amniocentesis or chorionic villus sampling during their pregnancy?