Cross-sectional study design is a type of observational study design. In a cross-sectional study,
the investigator measures the outcome and the exposures in the study participants at the same time
. … We can estimate the prevalence of disease in cross-sectional studies.
What is an example of a cross-sectional study?
A cross-sectional study involves looking at data from a population at one specific point in time. … For example, researchers studying
developmental psychology
might select groups of people who are different ages but investigate them at one point in time.
What is cross-sectional study in research methodology?
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
. … Researchers in economics, psychology, medicine, epidemiology, and the other social sciences all make use of cross-sectional studies in their work.
What are cross-sectional studies best for?
Cross-sectional studies are used
to assess the burden of disease or health needs of a population
and are particularly useful in informing the planning and allocation of health resources. A cross-sectional survey may be purely descriptive and used to assess the burden of a particular disease in a defined population.
What is cross-sectional quantitative study?
Cross-sectional studies look
at a population at a single point in time
, like taking a slice or cross-section of a group, and variables are recorded for each participant.
What are the disadvantages of cross-sectional studies?
The weaknesses of cross-sectional studies include
the inability to assess incidence, to study rare diseases, and to make a causal inference
. Unlike studies starting from a series of patients, cross-sectional studies often need to select a sample of subjects from a large and heterogeneous study population.
What level 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.
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
.
What is cross section area?
The cross-sectional area is
the area of a two-dimensional shape that is obtained when a three-dimensional object – such as a cylinder
– is sliced perpendicular to some specified axis at a point. For example, the cross-section of a cylinder – when sliced parallel to its base – is a circle.
How do you do a cross-sectional study?
Once the participants have been selected for the study, the investigator follows the study to assess the exposure and the outcomes. After the entry into the study, the participants are measured for outcome and exposure at the same time [Figure 1]. The investigator can study the association between these variables.
What is the major weakness of cross-sectional study?
The weaknesses of cross-sectional studies include
the inability to assess incidence, to study rare diseases, and to make a causal inference
. Unlike studies starting from a series of patients, cross-sectional studies often need to select a sample of subjects from a large and heterogeneous study population.
How long do cross-sectional studies last?
The time interval between tests or administrations is, typically,
two to four weeks
.
Why do a cross-sectional study?
The benefit of a cross-sectional study design is that
it allows researchers to compare many different variables at the same time
. We could, for example, look at age, gender, income and educational level in relation to walking and cholesterol levels, with little or no additional cost.
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 is cross-sectional data examples?
Cross-sectional data are observations that come from different individuals or groups at a single point in time.
If one considered the closing prices of a group of 20 different tech stocks on December 15, 1986
, this would be an example of cross-sectional data.
What is the difference between a cross sectional study and a cohort study?
Cross sectional studies are used primarily to
determine the prevalence of a problem
whereas cohort studies involve the study of the population that is both exposed and non-exposed to the cause of disease development agents.
