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​Primarily based on the early work of Sigmund Freud, _______________ theories hold that development is largely determined by how well people resolve conflicts they encounter at different ages.

​The _______________ of a measure refers to whether it actually measures what researchers think it measures.

If you want to make sure that your neurons can send neural messages at their very fastest speed, you would want to see that the neurons were surrounded by/wrapped in _______________.

​You would think that balance is something that, once learned, you will have mastered for your entire life. In fact, however, balance must be relearned for sitting, crawling, walking, and other postures. Why is this?

​A nursing one-month-old infant may grasp crudely at his mother’s breast while feeding. That same child at the age of one year will probably easily hold a bottle or cup, placing it to his lips, and then putting it down when he is done. This change in ability to use the hands and fingers demonstrates advances in

You are looking out into your yard at a beautiful Japanese maple tree. You notice the tree has many branches with lovely purple leaves on them. The leaves are capturing raindrops from the current storm. If this tree were actually a neuron, the leaves that capture incoming information would be the ________.

​The sac in which an embryo rests during the second stage of prenatal development is called the _______________.

In _______________-directed speech, adults tend to speak very slowly and to exaggerate their changes in pitch and loudness.

​Your authors give several examples of how research in human development has shaped social policies in the United States of America. Which social policy issues have NOT, according to your text, been affected by research on human development?

Bonds is trying to teach his son Barry to hit a baseball (a task that Barry has never before attempted). How might the concept of a zone of proximal development come into play in this situation, and what technique might Bonds use to improve his son’s performance? Finally, how will Bonds most effectively used scaffolding in this circumstance?