Quick Answer: What Is A Cross Sectional Descriptive Study Design?

Is a questionnaire a cross sectional study?

Questionnaires are a commonly used tool in epidemiological studies.

They may be used as the sole instrument for the collection of study data, such as in a cross-sectional design, or in combination with other instruments of data collection.

A valid questionnaire measures what it claims to measure..

Why do 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.

Is a descriptive cross sectional study qualitative or quantitative?

Quantitative-based cross-sectional designs use data to make statistical inferences about the population of interest or to compare subgroups within a population, while qualitative-based designs focus on interpretive descriptive accounts of a population under observation.

What are the 4 types of quantitative research?

There are four main types of Quantitative research: Descriptive, Correlational, Causal-Comparative/Quasi-Experimental, and Experimental Research. attempts to establish cause- effect relationships among the variables. These types of design are very similar to true experiments, but with some key differences.

What type of study is a survey?

Often the terms “survey” and “questionnaire” are used interchangeably as if they are the same. But strictly speaking, the survey is a research approach where subjective opinions are collected from a sample of subjects and analyzed for some aspects of the study population that they represent.

What is an example of cross sectional study?

For example, a cross-sectional study might be used to determine if exposure to specific risk factors might correlate with particular outcomes. A researcher might collect cross-sectional data on past smoking habits and current diagnoses of lung cancer, for example.

What are the limitations of cross sectional studies?

However, it is important to be aware of the predictive limitations of cross-sectional studies: “the primary limitation of the cross-sectional study design is that because the exposure and outcome are simultaneously assessed, there is generally no evidence of a temporal relationship between exposure and outcome.”

Is a descriptive study qualitative or quantitative?

Descriptive research is usually defined as a type of quantitative research, though qualitative research can also be used for descriptive purposes. The research design should be carefully developed to ensure that the results are valid and reliable.

What is an example of cross sectional data?

For example, if we want to measure current obesity levels in a population, we could draw a sample of 1,000 people randomly from that population (also known as a cross section of that population), measure their weight and height, and calculate what percentage of that sample is categorized as obese. …

What is a descriptive cross sectional study?

Descriptive cross-sectional studies simply characterize the prevalence of a health outcome in a specified population. … In analytical cross-sectional studies, data on the prevalence of both exposure and a health outcome are obtained for the purpose of comparing health outcome differences between exposed and unexposed.

What are descriptive study designs?

A descriptive study is one that is designed to describe the distribution of one or more variables, without regard to any causal or other hypothesis.

How do you identify a cross sectional study?

The defining feature of a cross-sectional study is that it can compare different population groups at a single point in time. Think of it in terms of taking a snapshot. Findings are drawn from whatever fits into the frame.