Quantitative
advantages of the study
There are many advantages and disadvantages of sampling. These advantages include being able to try what you need before you buy.
Advantages of multistage sampling?
it is easy
it is prospective cohort study
A cohort study is considered primary literature because it involves original research conducted by the authors.
Quantitative
Occupation
behavior
Age.
A panel study involves repeatedly collecting data from the same individuals over time to study changes within the same group. A cohort study follows a group of individuals who share a common characteristic or experience over time to see how their outcomes differ. The key difference is that in a panel study, the same individuals are followed over time, while in a cohort study, different individuals may be added to the study group over time.
The characteristic used to form the cohort in this study is drug abuse. The scientist is collecting health data on individuals who share this common characteristic of being drug abusers.
The characteristic used to form the cohort in this study would be drug abuse. The cohort would consist of individuals who are drug abusers, and the scientist would collect data on their health outcomes over time to investigate relationships between drug abuse and health.
The cohort in this study was formed based on the shared characteristic of being born in 1976. This characteristic allows the scientist to follow this group of individuals over time to observe their health outcomes.
Age
Meta-analysis is not inherently "better" than a cohort study; rather, they serve different purposes. Meta-analysis combines the results of multiple studies to provide a more comprehensive overview of a topic, while a cohort study follows a group of individuals over time to examine the effects of certain exposures. Both study designs have their own strengths and limitations, and their appropriateness depends on the research question being addressed.