Table 2.
Variables collected in the study.
| Measure | Type of variablea | Instrument |
| Age | Individual (continuous) | Demographics questionnaire |
| Perceived overall health | Individual (scale value: 1-5) | Demographics questionnaire |
| Willingness to adopt the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Perceived value of the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Perceived effort to learn the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Self-confidence in ability to learn and use the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Perceived help needed to learn the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Quality of life improvement from the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Privacy or trust issues with the technology | Technology (scale value: 1-9) | Technology Rating Questionnaire |
| Willingness to pay to own the technology | Technology (categorical) | Technology Rating Questionnaire |
| Relative comparisons in adopting the technologies | Technology (a set of relative weights of each technology) | Paired Comparison Ratings Instrument |
| Discounting rate | Technology (continuous) | Time Allocation to Attain Skill Instrument |
| Level of skill desired | Technology (scale value: 1-5) | Time Allocation to Attain Skill Instrument |
| Overall cognitive functioning | Individual (test score) | Cognitive Test Battery (Trail Making Tests A and B) |
| Working memory | Individual (test score) | Cognitive Test Battery (Digit Span) |
| Crystallized and fluid cognitive ability | Individual (test score) | Cognitive Test Battery (Shipley Vocabulary) |
| Life knowledge | Individual (test score) | Cognitive Test Battery (Multidimensional Aptitude Battery) |
| Self-assessment of cognitive abilities | Individual (average score; item scale value: 1-9) | Self-Assessment of Abilities Questionnaire (6 of 8 items) |
| Openness to new experiences | Individual (average score; item scale value: 1-7) | Ten-Item Personality Inventory (2 of the items) |
| Perceptions of aging: gain | Individual (sum score; item scale value: 1-5) | Perceptions of Aging (5 of 10 items) |
| Perceptions of aging: loss | Individual (sum score; item scale value: 1-5) | Perceptions of Aging (5 of 10 items) |
| Technology readiness: optimism, innovativeness, discomfort, and insecurity | Individual (average total and subscale scores; item scale value: 1-5) | Technology Readiness Index Questionnaire |
| Self-assessment of technology skill | Individual (average of 5 items; item scale value: 1-9) | General Technology Use Survey |
| Needs or availability for technology assistance support | Individual (average of items; item scale value: 1-9) | General Technology Use Survey |
| General tech experience | Individual (sum score of yes or no to having used 5 technologies) | General Technology Use Survey |
aTechnology variables were collected for each of the 5 technologies; individual variables were collected once.