“Forgetful City” A new memory enhancing technique is being tested on a random sa

Question

“Forgetful City”

A new memory enhancing technique is being tested on a random sample of townspeople to see if it improves their ability to recall facts. Ten people each in the age groups 20’s, 30’s, 40’s, 50’s and 60’s are included. The intervention involves a one-time group training seminar about the memory technique. Each participant then views a short video of “wiki facts” and is then assessed. The number of facts each person can remember is recorded for 5 consecutive days.

Variables such as gender, age, and existing memory abilities or other factors that may affect the outcome of study are:

Outcomes

Dependent

Alternate

Extraneous

Outcomes

Dependent

Alternate

Extraneous

Explanation / Answer

D.Extraneous

Variables such as age, gender, existing memory abilities or other factors are undesrirable factors that can have impact on the outcome of the study. Such variables are called extraneous variables.

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