which statements below implied from the article would be con

which statements below implied from the article would be considered a limitation of the study? (select all that apply)

a-the use of random sample of school nurses from the National Assoc. of School Nurses decrease sample bias.

b-the sample for the study included school nurses only form the Nat\'\'l Assoc of School Nurses

c-results using self report data may decrease accuracy & validity

d-participants were required to have access & complete surveys by computer

Solution

Ans :b) the sample for the study included scholl nurses only from the nat\"I Assoc of scool nurses

d) participants were required to have access and complete surveys by computer.

Since not all participants might be able to access the computer or might have available computer with them , they could not take part in the survey. And also only nurses from acertain association are allowed to take part , which decreases the variety of sample population .