Random and Convenience Sampling Case 1. A survey aims to find out how teachers in the Loeb School feel about certain school reforms. All 100 teachers’ names are put into a hat, the names are jumbled,...

Random and Convenience Sampling Case 1. A survey aims to find out how teachers in the Loeb School feel about certain school reforms. All 100 teachers’ names are put into a hat, the names are jumbled, and the principalselects 50 for the survey. Case 2. A survey is conducted to find out Los Hadas School District teachers’ views on certain school reforms. Ten teachers are chosen to be interviewed from each of the district’s six elementary schools, 15 are selected from its four intermediate schools, and 60 are chosen from its one high school. Participating teachers are volunteers who were recommended by their principal. They meet the following criteria: They have been teaching in the district for 5 years or more, they belong to one of three teachers’ associations or unions, and they have participated in at least one meeting during the past year on the district’s school reform.