Sampling in experiments

Question 1

Random sampling

Answer 1

Sampling in which all possible characteristics are taken into account by giving each member of a target population an equal opportunity to participate

Question 2

Stratified sampling

Answer 2

A theory-driven approach in which the essential characteristics of the sample are chosen in prior and are applied to a target population to find the distribution of these characteristics in the target population. The participants are recruited according to these proportions.

Question 3

Convenience (opportunity) sampling

Answer 3

Sampling technique in which researchers recruit participants who are closest in reach or most accessible

Question 4

Self-selected sampling

Answer 4

Sampling in which respondents themselves respond to advertisements or fliers and get selected: in a way the respondent selects themselves as researchers then recruit the interested participants.