The research design that involves testing groups of subjects of different ages multiple times and comparing their scores with their own scores in previous periods and with the scores of new groups of adults of the same ages is called
longitudinal or long-term research.
cross-sectional research.
cross-sequential research.
retesting research.
Question 2
When Schaie conducted cross-sectional research comparing the cognitive abilities of adults of different ages, he found
a gradual increase in intellectual ability with age.
a gradual decline in intellectual ability with age.
a sudden decline in intelligence in middle adulthood.
no age-related patterns of intellectual development.
There are multiple pathways for heat exchange between organisms and the environment.
Testing hearing acuity using a tuning fork.
Funeral Rituals and Practices among U.S. Cultural Groups
Common Physical and Mental Health Problems of Different Cultural Groups
The paper test involves holding a piece of paper near the tailpipe of an idling engine. A good ...
Hookup for testing fuel-pump current draw on any vehicle equipped with a fuel-pump relay.