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In a cross-sectional study, participants (age range 10-90 years) are given a test that measures subtraction and addition skills. Results show that older adults perform better on the test than younger adults.

Why might this be? Select one:

a. As people age, cognitive performance increases.

b. Cohort effect- historically, older adults did not have the luxury of using a calculator, so they developed better math skills.

c. Cross-sectional studies are not good representation of interindividual differences.

d. All of the above.

Answer :

Adematae

Answer:

C. Cross-sectional studies are not good representation of inter-individual differences

Explanation:

Cross sectional research method is not representative enough. if another cross sectional study is conducted, it won't be surprising that the results might show that younger adults perform better than older adults because the representative selected for each age group were just hand picked and it can be used to generalize for the whole younger population.

Older folks did not have the pleasure of using a calculators in the past, thus they developed higher math abilities.

Uses of cross-sectional study:

A cohorts is any group of people who share important documented or social events, such as their birth season.

Cohort impacts are a source of concern for academics in domains such as human science, disease transmission study, and cerebrum research. A pilot study in which people utilize a computer to act out a mental exercise provides an illustration of a cohort effect.

The findings might indicate that people in their 20s performed better on a scholastic test than those in their 60s.So, Option "B" is the correct answer to the following question.

Find out more information about 'Cohort impacts'

https://brainly.com/question/7580591?referrer=searchResults

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