11. Which of the following is true about sequential research?
A. It combines cross-sectional and longitudinal research.
B. It only assesses change in behavior over time, but does not assess differences among groups of people.
C. It only assesses differences among groups of people, but does not assess change in behavior over time.
D. The limitation of this technique is that it does not allow developmental psychologists to tease out the specific effects of age changes from other possible influential factors.
12. Maria is studying the effects of calcium on the development of children. So she administers varying levels of calcium to two groups of children, one group consisting of children aged five and the other group consisting of children aged ten. She studies the growth rate of these two groups regularly over a period of one year. On the basis of the given evidence, it would be most accurate to say that Maria is using _____ research design.
A. only the cross-sectional
B. the sequential
C. only the longitudinal
D. the single case experimental
13. Which of the following statements CORRECTLY identifies an advantage or a disadvantage of the developmental researchers' research designs?
A. Longitudinal - indicate changes in behavior over time
B. Sequential - quite inexpensive
C. Cross-sectional - considers a number of different age groups and examines them at several points in time
D. Cross-sectional - comparatively requires a greater time investment
14. Which of the following is a disadvantage associated with longitudinal research designs?
A. It cannot deal with the problem of a cohort group.
B. It is time consuming.
C. It cannot assess change in behavior over time.
D. It cannot trace the behavior of more than two participants at a time.
15. The difference between cross-sectional research design and longitudinal research designs is that:
A. Longitudinal studies assess change in behavior over time, whereas cross-sectional studies assess differences among groups of people.
B. Cross-sectional studies are more time consuming as compared to longitudinal studies.
C. Longitudinal research design does not allow the comparison of more than two participants while cross-sectional design allows for more comparisons.
D. Cross-sectional research is a combination of longitudinal research and sequential research.
16. The sequential research design can be seen as:
A. essentially the same thing as a longitudinal design.
B. the opposite of the cross-sectional design.
C. unrelated to either the longitudinal or the cross-sectional design.
D. a combination of the cross-sectional and longitudinal designs.
17. _____ are rod-shaped structures that contain all basic hereditary information.
A. Spleens
B. Chromosomes
C. Serotonins
D. Norepinephrines
18. A normal fertilized egg, or zygote, contains _____ pairs of chromosomes.
A. 46
B. 21
C. 23
D. 2
19. Which of the following sequences correctly orders the units of genetics, from the smallest and most specific to the largest and most inclusive?
A. DNA ? gene ? chromosome
B. DNA ? chromosome ? gene
C. gene ? DNA ? chromosome
D. gene ? chromosome ? DNA
20. One baby receives an X chromosome from its mother and an X chromosome from its father; it will develop as a _____. A second baby receives an X chromosome from its mother and a Y chromosome from its father; it will develop as a _____.
A. male; female
B. female; male
C. male or a female; male or a female
D. female; female