Which of the following is a main disadvantage of the cross-sectional design? a) Individuals of different ages are being compared to one another. b) It is relatively expensive. c) It takes a longer amount of time than a longitudinal study. d) Participants may drop out due to moving, loss of interest, or death.

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Answer: A) Individuals of different ages are being compared to one another

Explanation: Cross sectional design or study, which is also known as transverse research study is a type of observational study which analyses data from a group of people who are different in the variable of interest but share other similar characteristics.

For example, the socioeconomic status of a particular population can be studied using age as the variable of interest. The disadvantage lies in the fact that certain age groups are favoured in each clime and the level of exposure, knowledge and experience may vary widely between a population of differing age groups.

A type of research tool in a study that is based on observational study design in social or biology and analyzes data accumulated from population or subsets are called cross-sectional design.

The following is the disadvantage of design:

Option a) Individuals of different ages are being compared to one another.

The design study can be explained as:

  • The cross-sectional study design is less expensive to perform and does not require much time to complete.

  • In the data snapshot, various multiple variables are present that can be used in researches.

  • Cross-sectional is at disadvantage also as it does not help in determining effect, cause and behaviour.

Therefore, individuals being compared is a disadvantage.

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