Question :
11.
Which technique of developmental researchers requires a significant expenditure of : 1233745
11.
Which technique of developmental researchers requires a significant expenditure of time as the researcher waits for the participants to get older?
A.
Longitudinal research
B.
Cross-sectional research
C.
Empirical research
D.
Applied research
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 the _____ research.
A.
cross-sectional
B.
factorial
C.
longitudinal
D.
single case experimental
13.
Which of the following statements correctly identifies an advantage or a disadvantage of developmental research methods?
A.
Longitudinal studies indicate changes in behavior over time.
B.
Sequential studies are quite inexpensive.
C.
Cross-sectional studies consider a number of different age groups and examine them at several points in time.
D.
Cross-sectional studies require a greater time investment.
14.
Which of the following is a disadvantage associated with longitudinal research?
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 methods and longitudinal research methods 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 methods do not allow the comparison of more than two participants, while cross-sectional research methods allow for more comparisons.
D.
Cross-sectional research is a combination of longitudinal research and sequential research.
16.
Which of the following describes a risk associated with cross-sectional research on IQ?
A.
In a cross-sectional study that compares IQ scores, the difference in IQ scores of 25-year-olds and 45-year-olds is due to differences in educational attainment.
B.
In a cross-sectional study that compares IQ scores, the difference in IQ scores of 25-year-olds and 45-year-olds is due to the 45-year-olds having taken the same test at several points in time.
C.
In a cross-sectional study, the participants may move or die before the study has been completed.
D.
In a cross-sectional study, the researchers incur significant expenditure of time as he or she waits for the participants to get older.
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.
Arrange the following genetic materials in increasing order of their size based on the way they occur naturally.
A.
DNA, gene, and chromosome
B.
DNA, chromosome, and gene
C.
Gene, DNA, and chromosome
D.
Gene, chromosome, and 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
