Professor adams is interested in comparing the attitude today’s 70-year-old adults have toward using computers with the attitude that 70-year-old adults had 10 years ago. assuming that she has computer attitude measures from a group of 70-year-old adults taken this year and computer attitude measures from a group of 70-year-old adults made 10 years ago, which type of research design does professor adams have?

time-lag

Explanation:

In time-lag research design, the researcher collect several information from subjects with similar attributes , but within different period of time.  We can say that professor Adams did this from this part of the excerpt  :

. . .group of 70-year-old adults taken this year and computer attitude measures from a group of 70-year-old adults made 10 years ago, . . .

In most cases, time-lag research design is conducted in order to study the development of people with a certain characteristics, or to find out the behavioral change within people form different generations.

dude you should crop your image so only the question shows. but   can you explain it better

is there a year set? the question is incomplete