Psychology, 2nd Edition

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LA#8 1. What is the scientific focus of the study of human development? Changes that occur in people as they age; personality, cognition, biological processes, and social interactions. 2. Describe three research designs used to study human development? Longitudinal design is a study over a long period of time, cross-sectional design is several different age groups studied at a particular point in time, and cross-sequential design is first studied by cross-sectional then a period of no more than 6 years. 3. What is the notion of ‘nature versus nurture’? What is the general conclusion regarding the influence of nature versus nurture regarding human development? Nature is the influence of our inherited characteristics on our personality, physical growth, intellectual, and social. Nurture is influence of the environment. 4. What is genetics? It’s the science of inherited traits. 5. What is DNA? It’s a special molecule that contains the genetic material of the organism. 6. What is a gene? It’s a section of DNA having the same arrangement of chemical elements. 7. What is a chromosome? It’s a tightly wound strand of genetic material of DNA. 8. List and describe some genetic and chromosome problems. Diseases carried by recessive genes and cystic fibrosis, sickle cell anemia, and PKU. Some chromosome problems are down syndrome and turner’s syndrome. 9. According to the text, when does life begin? Conception is when the female becomes pregnant. 10. Describe the two types of twins presented in your text. Why are twins so important to understanding the influence of nature versus nurture? Which type of twins gives scientists the greatest research opportunity? Monozygotic twins (identical) and dizygotic twins (fraternal). Twins are important because it gives researchers another way to look at human development. Identical twins especially when they are separated at birth. 11. Describe the germinal period in development. Is when the first two weeks after fertilization, during which the zygote moves down to the uterus and begins to implant in the lining.
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12. Describe the embryonic period in development. Be sure to include a discussion of ‘critical periods’ and the influence of ‘teratogens’. The period from two to eight weeks after fertilization, during which the major organs and
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This note was uploaded on 03/24/2012 for the course PSY 101 taught by Professor Snyder during the Spring '12 term at Paradise Valley Community College .

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PSY101-LA8 - LA#8 1. What is the scientific focus of the...

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