Characteristics of cross sectional study
What are the characteristics of cross-sectional and longitudinal studies?
Longitudinal studies differ from one-off, or cross-sectional, studies. The main difference is that cross-sectional studies interview a fresh sample of people each time they are carried out, whereas longitudinal studies follow the same sample of people over time.
What is the main purpose of a cross-sectional study?
Cross-sectional designs are used for population-based surveys and to assess the prevalence of diseases in clinic-based samples. These studies can usually be conducted relatively faster and are inexpensive. They may be conducted either before planning a cohort study or a baseline in a cohort study.
What is cross-sectional study in research?
A cross-sectional study is a type of observational study, or descriptive research, that involves analyzing information about a population at a specific point in time. Typically, these studies are used to measure the prevalence of health outcomes and describe characteristics of a population.
What is the main strength of a cross-sectional study?
The main strength of cross-sectional studies is that they are relatively quick and inexpensive to conduct. They are the best way to determine the prevalence and can study the associations of multiple exposures and outcomes.
What are the advantages of a cross-sectional study?
Advantages. Because you only collect data at a single point in time, cross-sectional studies are relatively cheap and less time-consuming than other types of research. Cross-sectional studies allow you to collect data from a large pool of subjects and compare differences between groups.
How many variables are in a cross-sectional study?
one independent variable
Cross-sectional studies let researchers study one independent variable as the main focus and examine its effects on one or more dependent variables. Similar research may look at the same variable of interest, but each study observes a new set of subjects.
What are the advantages and disadvantages of cross-sectional?
Advantages/Disadvantages of Cross-Sectional Study
| Advantages | Disadvantages |
|---|---|
| Used to prove or disprove assumptions | Not used to analyze behavior |
| Cheap and quick | Useless for determining cause and effect |
| Multiple variables at the time of a data snapshot | Snapshot timing may not be representative |
•
10 oct 2021
What are the limitations of cross-sectional study?
The primary limitation of cross-sectional studies is that the temporal link between the outcome and the exposure cannot be determined because both are examined at the same time. For example, in a zoo, reproduction is found to be more commonly impaired in animals with stereotypies.
What are the weaknesses of a cross-sectional study?
Cross-sectional studies cannot establish a cause-and-effect relationship or analyze behavior over a period of time. To investigate cause and effect, you need to do a longitudinal study or an experimental study.
What are the strengths and weaknesses of cross-sectional study?
Advantages/Disadvantages of Cross-Sectional Study
| Advantages | Disadvantages |
|---|---|
| Used to prove or disprove assumptions | Not used to analyze behavior |
| Cheap and quick | Useless for determining cause and effect |
| Multiple variables at the time of a data snapshot | Snapshot timing may not be representative |
•
10 oct 2021
What is an example of cross-sectional study?
Another example of a cross-sectional study would be a medical study examining the prevalence of cancer amongst a defined population. The researcher can evaluate people of different ages, ethnicities, geographical locations, and social backgrounds.
What level of research is a cross-sectional study?
Cross sectional study designs and case series form the lowest level of the aetiology hierarchy. In the cross sectional design, data concerning each subject is often recorded at one point in time.
What are the limitations of cross sectional studies?
The primary limitation of cross-sectional studies is that the temporal link between the outcome and the exposure cannot be determined because both are examined at the same time. For example, in a zoo, reproduction is found to be more commonly impaired in animals with stereotypies.
What is a good sample size for a cross-sectional study?
Within a cross-sectional study a sample size of at least 60 participants is recommended, although this will depend on suitability to the research question and the variables being measured. A suitable number of variables.
Is cross-sectional study quantitative or qualitative?
quantitative
Although the majority of cross-sectional studies is quantitative, cross-sectional designs can be also be qualitative or mixed-method in their design.