The evaluation of a community-organizing program to reduce teens' access to alcohol is described in Research in Practice 10.1 . Which of the following methods for placing students in experimental and control groups is used in this evaluation?
a. systematic sampling
b. random assignment
c. blocking
d. both random assignment and matching were used
d
You might also like to view...
One of characteristic of post-modern social movements is that
a. they frequently composed of open, but tightly structured, networks. b. they are concerned with self-determination rather than dominance. c. satisfied with reality as it is. d. they are not seeking to contest the very foundations of society.
All information shared within a group setting should be kept confidential
Indicate whether the statement is true or false.
Which of the following is with regards to the independent variable?
a. It can be controlled. b. It can be manipulated. c. It can be a continuous measure. d. It can be the outcome of interest.
A researcher randomly selects cities, then randomly selects churches in each selected city, and the randomly selects members to be interviewed in each selected church. This research is using A) simple random sampling
B)quota sampling.? C)multistage cluster sampling.? D) stratified sampling.? E) accidental sampling.