AP PSYCHOLOGY

Detailed explanation-1: -Longitudinal design is used to discover relationships between variables that are not related to various background variables. This observational research technique involves studying the same group of individuals over an extended period.

Detailed explanation-2: -In a longitudinal study, researchers repeatedly examine the same individuals to detect any changes that might occur over a period of time. Longitudinal studies are a type of correlational research in which researchers observe and collect data on a number of variables without trying to influence those variables.

Detailed explanation-3: -Longitudinal study So, once again, researchers do not interfere with their subjects. However, in a longitudinal study, researchers conduct several observations of the same subjects over a period of time, sometimes lasting many years.

Detailed explanation-4: -Definition. Cross sectional research is a study in which subjects of different ages are compared at the same time. It is often used in developmental psychology, but also utilized in many other areas including social science, education and other branches of science.

Detailed explanation-5: -Longitudinal research involves studying a group of people who are the same age, and measuring them repeatedly over a period-of-time. This type of design allows researchers to study individual differences in development.