If a sample is collected through a non-random means, it is likely ...

[bobthebuilder]

If a sample is collected through a non-random means, it is likely to have a selection bias.
 
 Indicate whether the statement is true or false

Question 2

Multidimensional scaling provides a means for placing objects in multidimensional space on the basis of respondents' judgments of the similarity of objects.
 
 Indicate whether the statement is true or false

[amandalm]

Answer to Question 1

T
It is rare that an overt selection bias has no effect on a study.

Answer to Question 2

T