Explanatory
population
Increasing your sample size might help
Convenience sample Systematic sample Simple random sample (SRS) Census
A sample is a smaller group selected from a larger population. It may be to costly and time consuming to carry out the study on the whole population so the researchers choose a sample and often generalise results.A sample frame is the list of people from which a sample for the study are selected. It is only carried out on the target population that the researcher is interested in studying. For example finding data on just school children would not involve the the whole population only children in schools.
A longitudinal study and a cross-sectional study are methods of collecting scientific data. A longitudinal study is the method that gathers data on a subject for a particular period of time and the subject's response to particular variables. A cross-sectional study is where more than one subject is used for the collection of data at different points in time in response to particular variables. These types of studies are sometimes used to determine correlation.
A longitudinal study is an alternative to a cross-sectional study. In a longitudinal study, data is collected from the same subjects over a period of time, allowing researchers to observe changes within individuals. This type of study provides a more in-depth understanding of how variables evolve over time compared to cross-sectional studies.
the cross-sectional study selects a sample that has all the age ranges the researchers are interested in verses one group that is followed throught time
Gad Nathan has written: 'Multiplicity study of marriages and births in Israel' 'A review of sample attrition and representativeness in three longitudinal surveys'
The study followed a group of individuals over a 10-year period to analyze changes in their cognitive abilities, which is an example of a longitudinal study.
sample is the population we make our study about them.
A longitudinal cohort study is a research study where a group of participants is followed over an extended period of time to observe how certain variables or factors impact their health outcomes or behaviors. Researchers collect data at multiple time points to track changes over time and identify potential correlations and causations. This type of study design is commonly used in epidemiology and clinical research to understand the development and progression of diseases.
the cross-sectional study selects a sample that has all the age ranges the researchers are interested in verses one group that is followed throught time
Longitudinal research is a type of study where data is collected from the same subjects over a period of time to track changes or trends. This method allows researchers to observe how certain variables evolve or influence each other over time. Longitudinal studies are useful for understanding development, stability, and change in individuals or groups.
cross-cultural comparisons
The Framingham Heart Study is an example of a longitudinal study that has been ongoing since 1948. It tracks the cardiovascular health of participants over an extended period of time to understand the development and progression of heart disease.
in psychology terms what is a naturalistic experiment and a longitudinal study?