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​Distinguishing and mastering different motions is to ____ as linking individual motions into a coherent, coordinated whole is to ____.

When Layla’s older sister helps her eat breakfast by cutting her pancake into smaller pieces, Layla gets secretly excited that she now has more pancakes. This demonstrates the preoperational cognitive limitation of _______________.

​A shortcoming of ____ experiments is that they are conducted in artificial environments, so the findings may not reflect behavior as it occurs in the real world.

The cerebral cortex contains two halves-a left and a right-which are called _______________.

​By the time the average child reaches six years of age, he or she will have a vocabulary of approximately ____ words.

​ Demonstrate and understanding of operant conditioning by differentiating between positive reinforcement, negative reinforcement, and punishment.

​Jimmy is only three days old, but he is making a high-pitched cry, is moving his arms and legs back and forth, and has an elevated heart rate. It is likely that Jimmy is currently

When Maurice’s father is teaching him to play racquetball, he observes that there are some strokes that Maurice can do very well, and there are others that he needs help with. The difference between these two skill sets is called the zone of _______________ development.

​An attempt to hurt another by damaging his or her reputation or standing with others is referred to as _______________ aggression.

​Describe four key features of the life-span perspective. How do these features speak to the three recurring issues in developmental psychology?