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A research study which uses data collected at a single point in time?
cross-sectional
What is the formula of resistivity?
R is the electrical resistance,A is the cross-sectional area,l is the length of the piece of material.
What are the advantages of time series data over cross sectional data?
Time series data offers several advantages over cross-sectional data, primarily its ability to track changes over time and identify trends, seasonality, and cyclical patterns. This temporal dimension allows for better forecasting and understanding of dynamics affecting the variable of interest. Additionally, time series analysis can control for temporal autocorrelation and other time-related effects, which cross-sectional data cannot capture. Thus, time series data is often more suited for analyzing phenomena that evolve or fluctuate over time.
Disadvantage of secondary data?
Secondary data may not answer fully answer the research questions of a study. It is also hard to establish its validity, and if proper sampling and data collection methods were employed.
What are the Advantage and disadvantage of purposive sampling?
Purposive sampling involves selecting participants for a study based on some characteristic that you know they have. There is nothing random about their selection - it was done with intent. An advantage of this type of sampling is that it allows the researcher to quickly hone in on the target population. A disadvantage to this form of sampling is that researcher bias can creep in to influence results, if subjects are not chosen very carefully.
Advantage of cross sectional study?
advantage of cross sectional study?
Is CROSS sectional study a retrospective study?
Yes, We can design a cross sectional study which its data collected in a retrospective format, so this study is called cross sectional retrospective study.
Disadvantage of cross-sectional study?
One disadvantage of a cross-sectional study is that it only provides a snapshot of data at a single point in time, which may not capture changes or trends over time. This limits the ability to establish cause-and-effect relationships or assess how variables may be related in a dynamic way. Additionally, cross-sectional studies are susceptible to issues such as recall bias and may not account for the influence of confounding variables.
What is the Analytical study in the movie Outbreak?
cross sectional
Is CROSS sectional study a prospective study?
Basically it is not. However, there are studies being tiltled as prospective cross sectional study, but these kind fo terms should be used with caution and clear explanation.
What are advantages and disadvantages of cross sectional studies?
The advantage of cross sectional studies is that they are simple, quick, and very affordable to conduct. As a disadvantage, the results of cross sectional studies may be difficult to assess where different participants are used at different levels of an investigation.
What are the advantages and disadvantages cross sectional studies?
The advantage of cross sectional studies is that they are simple, quick, and very affordable to conduct. As a disadvantage, the results of cross sectional studies may be difficult to assess where different participants are used at different levels of an investigation.
What is a alternative to a cross sectional study?
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.
What is the major difference between a longitudinal study and cross sectional study?
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
Can cross-sectional study be classified into comparative or associative study?
Yes, cross-sectional studies can be classified as comparative or associative. Comparative cross-sectional studies involve comparing different groups at one point in time, while associative cross-sectional studies examine the relationship between variables within a single group at one point in time.
What is the main disadvantage with cross-sectional studies?
The main disadvantage of cross-sectional studies is that they provide a snapshot of data at a single point in time, limiting the ability to establish causal relationships between variables. This design cannot determine the direction of relationships or changes over time, which can lead to misleading interpretations. Additionally, cross-sectional studies may be subject to confounding variables that can obscure true associations.
What is the major difference between a longitudinal study and a cross sectional study?
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
