To investigate whether the enrollment of nontraditional students ...

[bobbie]

To investigate whether the enrollment of nontraditional students has increased at her college, Diane examines the ages noted on student applications for the past ten years. This is an example of which type of unobtrusive observation?
 
  a. simple observations
  b. archival records
  c. physical traces
  d. contrived observations

Question 2

Measuring tread wear on a carpet in order to investigate foot traffic patterns is an example of which type of unobtrusive measure?
 
  a. simple observations
  b. contrived observations
  c. archival records
  d. physical traces

[lolol]

Answer to Question 1

b

Answer to Question 2

d

[bobbie]

Excellent

[shewald78]

Thanks for the timely response, appreciate it