Exam 2: Research Designs and Ethical Issues

Describe a longitudinal research design, including an example of this design as well as a description of advantages and disadvantages associated with longitudinal designs.

Marge's daughter-in-law signed Marge up to participate in a research study examining the effect of age on a person's vocabulary. Marge is very shy and would not have chosen to participate on her own, but complies because she doesn't want to have a disagreement with her daughter-in-law. This is an example of which of the following?

Dr. Van Hal is specifically interested in looking at age differences in internet use and wants to conduct the least expensive study possible. Which of the following methods should he use?

Dr. Reinhart has been surveying the same group of people every 5 years for the last 25 years. Dr. Reinhart's research is an example of which type of design?

A key feature of a time-sequential design is that it isolates which of the following effects?

Dr. Archambault is conducting a longitudinal study with the hopes of determining whether hand-eye coordination is affected by aging. Dr. Archambault has his participants complete the same computer-based hand-eye coordination test every year for ten years. Which of the following may threaten the validity of Dr. Archambault's study?

A researcher conducting a longitudinal study finds that older adults who were raised during the Depression in the 1930s spent less money on food each week than a group of older adults who were raised after the Depression ended. This is an example of which type of effect?

Which of the following ethical issues is MOST closely linked to research involving people with Alzheimer's disease?

Dr. Panasiuk would like to conduct a study on aging that separates cohort effects from age effects. What type of design should she use?

Dr. Ellis is planning to collect data from 40-, 60-, and 80-year-olds this coming January to study age differences. This is an example of which type of design?

Which of the following is an advantage of a cross-sectional design?

Dr. Rhee conducted a study in which she assessed preventive health practices of two cohorts (1940 and 1950) at two different ages (60 and 70). Dr. Rhee examined her results and concluded with confidence that changes in preventive health practices were part of the normal aging process. What must Dr. Rhee have observed in her data?

When researchers studied the main issues raised by ethics review boards assessing proposals for research involving people with dementia, which of the following was MOST often cited as a concern?

The Nun Study provided researchers with new and valuable information regarding the developmental pattern of which disease?

Which of the following is a threat to external validity in a longitudinal design?