The research design that would be BEST to use for studying why people of different ages have a fear of learning new technology is cohort effects.
Chort effect is the effect that influence people with regards to being born in a certain period or region at a particular time. It is the influence that a person's date and place of birth has on social research.
The cohort effects is impacted by:
Hence, the research design that would be BEST to use for studying why people of different ages have a fear of learning new technology is cohort effects.
Learn more about cohort effects here : https://brainly.com/question/7580591