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SFL- 334 BYU Complete Questions and Correct
Detailed Answers (Verified Answers)
Question: What research design is best for controlling for both cohort
effects and time-in-measurement effects while you try to assess age
effects?
Ans: sequential research
Question: A cross-sectional study is susceptible to what kind of effect
that will confound our attempts to examine the aging effect we want
to target?
Ans: cohort effect
Question: The rapid losses that occur shortly before death are called
Ans: tertiary aging.
Question: Currently, what is the proportion of elderly over the age of
65 in the United States?
Ans: 14.1%
Master01 | 2025/2026 | Latest update
, 2
Question: What was the percentage of people over 65 in the overall US
population in 1900?
Ans: 4.1%
Question: Currently, what is the average life expectancy for women in
the United States?
Ans: 81 years old
Question: effects due to doing a survey of nutrition on fast Sunday
Ans: time-in-measurement effect
Question: effects due to changes in sexual functioning over a 20-year
period
Ans: age effect
Question: effects due to unique characteristics of the World War II
veterans
Ans: cohort effect
Master01 | 2025/2026 | Latest update
, 3
Question: In modern American culture, the birth of a child to a 13-
year-old girl would be considered
Ans: off-time.
Question: social clock
Ans: personal timetable by which we measure our developmental progress
Question: primary aging
Ans: aging process that is not related to disease
Question: sequential research
Ans: research that follows multiple cohorts longitudinally
Question: trend analysis
Ans: research that uses the same methods to examine similar populations at
different points of time
Question: secondary aging
Master01 | 2025/2026 | Latest update
SFL- 334 BYU Complete Questions and Correct
Detailed Answers (Verified Answers)
Question: What research design is best for controlling for both cohort
effects and time-in-measurement effects while you try to assess age
effects?
Ans: sequential research
Question: A cross-sectional study is susceptible to what kind of effect
that will confound our attempts to examine the aging effect we want
to target?
Ans: cohort effect
Question: The rapid losses that occur shortly before death are called
Ans: tertiary aging.
Question: Currently, what is the proportion of elderly over the age of
65 in the United States?
Ans: 14.1%
Master01 | 2025/2026 | Latest update
, 2
Question: What was the percentage of people over 65 in the overall US
population in 1900?
Ans: 4.1%
Question: Currently, what is the average life expectancy for women in
the United States?
Ans: 81 years old
Question: effects due to doing a survey of nutrition on fast Sunday
Ans: time-in-measurement effect
Question: effects due to changes in sexual functioning over a 20-year
period
Ans: age effect
Question: effects due to unique characteristics of the World War II
veterans
Ans: cohort effect
Master01 | 2025/2026 | Latest update
, 3
Question: In modern American culture, the birth of a child to a 13-
year-old girl would be considered
Ans: off-time.
Question: social clock
Ans: personal timetable by which we measure our developmental progress
Question: primary aging
Ans: aging process that is not related to disease
Question: sequential research
Ans: research that follows multiple cohorts longitudinally
Question: trend analysis
Ans: research that uses the same methods to examine similar populations at
different points of time
Question: secondary aging
Master01 | 2025/2026 | Latest update
