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A cross-sectional study involves looking at data from a population at one specific point in time. The participants in this type of study are selected based on particular variables of interest. Cross-sectional studies are often used in developmental psychologybut this method is also utilized in many other areas including social science and education.

For example, researchers studying developmental psychology might select groups of people who are different ages but investigate them at one point in time. By doing this, any differences between the age groups can presumably be attributed to age differences rather than something that happened over time. Cross-sectional studies are observational in nature and are known as descriptive research, not causal or relational, meaning that you can't use them to determine the cause of something, such as a disease.

Researchers record the information that is present in a population, but they do not manipulate variables. This type of research can be used to describe characteristics that exist in a Cross section of sex, but not to determine cause-and-effect relationships Cross section of sex different variables.

This method is often used to make inferences about possible relationships or to gather preliminary data to support further research and experimentation. Think of a cross-sectional study as a snapshot of a particular group of people at a given point in time. Unlike longitudinal studies that look at a group of people over an extended period, cross-sectional studies are used to describe what is happening at the present moment.

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. While this type of study cannot demonstrate cause-and-effect, it can provide a quick look at correlations that may exist at a particular point. For example, researchers may find that people who reported engaging in certain health behaviors were also more likely to be diagnosed with specific ailments.

While a cross-sectional study Cross section of sex prove for certain that these behaviors caused the condition, such studies can point to a relationship worth investigating further. This type of research differs from longitudinal studies in Young brazilian teen evelyn cross-sectional studies are designed to look at a variable at a particular point in time. Longitudinal studies involve taking multiple measures over an extended period.

As you might imagine, longitudinal studies tend to require more resources and are often more expensive than cross-sectional resources. They are also more likely to be influenced by what is known as selective attritionwhich means that some individuals are simply more likely to drop out of a study than others, which can influence the validity of the study. One of the advantages of cross-sectional studies is that since data is collected all at once, it's less likely that participants will quit the study before data is fully collected.

Cross-sectional studies can be a useful research tool in many areas of health research. By learning Cross section of sex about what is going on in a specific population, researchers Cross section of sex better able to understand relationships that might exist between certain variables and develop further studies that explore these conditions in greater depth.

Ever wonder what your personality type means? Sign up to Cross section of sex out more in our Healthy Mind newsletter. Levin KA. Study design III: Cross-sectional studies. Evid Based Dent. More in Student Resources. Cross-Sectional Studies. Defining Characteristics. View All. The study takes place at a single point in time It does not involve manipulating variables It allows researchers to look at numerous characteristics at once age, income, gender, Cross section of sex. It's often used to look Cross section of sex the prevailing characteristics in a given population It can provide information about what is happening in a current population.

Some of the advantages of cross-sectional studies include:. They're inexpensive and fast. Cross-sectional studies are usually relatively inexpensive and allow researchers to collect a great Xxxporno femme et cheval of information quite quickly.

Data is often obtained using self-report surveys and researchers are then Cross section of sex to amass large amounts of information from a large pool of Cross section of sex. They allow different variables. Researchers can collect data Keanu reeves meme in your dreams some different variables to see how differences in sex, age, educational status, and income might correlate with the critical variable of interest.

They pave the Cross section of sex for further study. While cross-sectional studies cannot be used to determine causal relationships, they can provide a useful springboard to further research.

When looking at a public health issue, such as whether a particular behavior might be linked to a particular illness, researchers might utilize a cross-sectional study to look for clues that will serve as a useful tool to guide further experimental studies. For example, researchers might be interested in learning how exercise influences cognitive health as people age.

They might collect data from different age groups on how much exercise they get and how well they perform on cognitive tests. Performing such a study can give researchers clues about the types of exercise that might be the most beneficial to cognitive health and inspire further experimental research on the subject. Some of the potential challenges of cross-sectional studies include:.

Does not differentiate cause and effect: There are other variables that can affect the relationship between the inferred cause and outcomes. Individuals born during the same period may share important historical experiences, but people in that group who are born in a given geographic region may share experiences limited solely to their physical location. Report biases: Surveys or questionnaires about certain aspects of people's lives may not always result in accurate reporting.

Cross section of sex this page helpful? Thanks for Cross section of sex feedback! Sign Up. What are your concerns? Article Sources. Verywell Mind uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial policy to learn more about how we fact-check and keep our content accurate, reliable, and Cross section of sex. PubMed Health. Cross-Sectional Study. National Library of Medicine.

Setia MS. Indian Journal of Dermatology. Continue Reading. Understanding the Frameworks Used in Developmental Psychology. The Pros and Cons of Naturalistic Observation. Following the Steps of a Scientific Method for Research. The Important Role of Correlations in Research.


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