A researcher studied vocabulary development by keeping track of the number of

A researcher studied vocabulary development by

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1. A researcher studied vocabulary development by keeping track of the number of words that a group of children learned each year for five years. All of the children in the group were two years old when the study began. This is an example of a _________________________ design. 25
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2. Another research studied vocabulary development by comparing the average number of words that two groups of children knew. One group of children ranged from two to four years of age, and the other ranged from five to seven. This is an example ofa ________________________ design. Objective 5.6 List the characteristics of the three stages of prenatal development. Key Terms zygote period of the zygote (germinal stage) period of the embryo period of the fetus Exercises 1. Classify each of the following according to the phase of prenatal development to which it applies. (A) ______________________________ conception to implantation (B) ______________________________ implantation to eight weeks (C) ______________________________ major organ systems formed (D) ______________________________ fertilized egg travels down fallopian tube (E) _______________________________ eight weeks to birth Objective 5.7 Explain the effects of teratogens and other negative factors on prenatal development. Key Terms teratogen fetal alcohol syndrome Exercises 1. Briefly state the effects of each of the maternal factors listed in the table below. 2. What are the symptoms of fetal alcohol syndrome? 26
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Objective 5.8Describe the relationship between contact comfort and attachment. Key Terms attachment separation anxiety stranger anxiety Exercises 1. Transform these false statements into ones that are true: Objective 5.9Explain the differences between the secure, anxious-ambivalent, avoidant, and disorganized patterns of attachment. Key Terms secure attachment avoidant attachment resistant attachment disorganized/disoriented attachment Exercises 1. Identify each pattern of attachment in the table.PatternBehavior 27
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