Quick Answer: What Are The Strengths And Weaknesses Of Cross Sectional Study?

How long do cross sectional studies last?

By definition a cross-sectional study is meant provide a snap shot of some particular phenomenon at a point in time.

Five years would probably blur the image (depending on the data).

However, there is no reason that research cannot be conducted over a five year period, you can simply describe your study differently..

What is the main purpose of a cross sectional study?

Unlike longitudinal studies, which look at a group of people over an extended period, cross-sectional studies are used to describe what is happening at the present moment. This type of research is frequently used to determine the prevailing characteristics in a population at a certain point in time.

What is the difference between a case control study and a cross sectional study?

cross sectional is prevalence study and useful to look at single point of time whereas case control study are used to study 2 groups cases(diseased) and controls (non-diseased) and to identify the risk factors between them . it looks back from the time of exposure and the occurrence of disease.

What is a cross sectional study in research?

A cross-sectional study is a type of research design in which you collect data from many different individuals at a single point in time.

Is cross sectional study qualitative?

Cross-sectional designs often collect data using survey questionnaires or structured interviews involving human respondents as the primary units of analysis. … Although the majority of cross-sectional studies is quantitative, cross-sectional designs can be also be qualitative or mixed-method in their design.

Which of the following are characteristics of cross sectional research studies?

Cross-sectional research involves using different groups of people who differ in the variable of interest but share other characteristics, such as socioeconomic status, educational background, and ethnicity. Cross-sectional research studies are often used by researchers studying developmental psychology.

Which of the following are weaknesses of a longitudinal design?

List of Disadvantages of Longitudinal StudiesThey require huge amounts of time. … They risk gathering data that is not 100% reliable. … They would risk experiencing panel attrition. … They require a large sample size. … They can be more expensive compared with cross-sectional studies.

Why is a cross sectional study a limitation?

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.”

What are the advantages of using a cross sectional research study quizlet?

One advantage of cross-sectional research is that researchers can get data much faster! Also, researchers can get a contemporary snapshot of behavior (publishing data that reflects the population now, not a snapshot starting 40 years ago).

What is the advantage of a cross sectional study?

Strengths and weaknesses of cross-sectional studies Relatively quick and easy to conduct (no long periods of follow-up). Data on all variables is only collected once. Able to measure prevalence for all factors under investigation. Multiple outcomes and exposures can be studied.

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. …

When would you use 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.

Are cross sectional studies expensive?

Cross-sectional studies may involve special data collection, including questions about the past, but they often rely on data originally collected for other purposes. They are moderately expensive, and are not suitable for the study of rare diseases. Difficulty in recalling past events may also contribute bias.

What is the problem with cross sectional research?

Non-response is a particular problem affecting cross-sectional studies and can result in bias of the measures of outcome. This is a particular problem when the characteristics of non-responders differ from responders. Recall bias can occur if the study asks participants about past exposures.

What are the advantages and disadvantages of cross sectional studies?

Advantages/Disadvantages of Cross-Sectional StudyAdvantagesDisadvantagesCheap and quickUseless for determining cause and effectMultiple variables at the time of a data snapshotSnapshot timing may not be representativeData works for various types of researchFlawed if there is a conflict of interest2 more rows