Answer:
Studying groups of 10- and 15-year-olds, and then studying these individuals 2, 4, and 6 years later
Explanation:
Sequential design
In this type of research design, the researcher uses or follow a sequence of samples usually two or more groups and thereafter takes data on them later on. it is simply a gathering or combination of the other designs. it is often said to have the same problems as longitudinal and cross-sectional strategies but its design itself helps recognizes difficulties in the research. The researcher that uses this design is often interested in age-related changes in children's problem-solving skills and thereafter selects three samples-preschool-age children, school-age children, and adolescents - and follows them for five years.
Sequential design advantages
1. It uses both the strength of cross-sectional and longitudinal designs
2. It is said to reduce confounding of age, cohort, and time measurement effects.
Sequential design disadvantages
1. It is usually complex in nature
2. It is also time consuming
3. it is very expensive to manage/
Night has become a symbol for death
Answer:
Barter
Explanation:
Barter system is a kind of trade system of exchange in which the participles involving in the transaction directly exchange the services or the goods for other services or goods without the usage of medium of the exchange such as money.
Marcel and Charles are involving in barter system in which former exchanges the boat with the car of the latter.
You would be most likely to have them create "developmental portfolios".
Every kid at the Center has a developmental portfolio that contains day by day significant perceptions of the youngster. Perceptions are made with regard for every tyke's objectives and goals. This data is utilized to track advance in all aspects of improvement. Through this approach, our staff can tailor exercises, classroom materials and instructor/kid communications properly to direct every tyke's formative development.