A qualitative researcher who uses snowball sampling selects ...

[RRMR]

A qualitative researcher who uses snowball sampling selects participants on the basis of
 
  a. their ability to maximize differences on certain characteristics.
  b. their homogeneity in attitudes and experiences.
  c. their representing negative or deviant cases.
  d. recommendations from participants.

Question 2

Describe three barriers to logical thought likely to be found in children who are in Piaget's preoperational stage.
 
  What will be an ideal response?

[Dnite]

Answer to Question 1

D

Answer to Question 2

The three barriers are the ability to focus on only one element or property at a time (perceptual centration), the inability to mentally reverse a sequence of events (irreversibility), and both the inability to take on the view of another person and the belief that the world revolves around oneself (egocentrism).