Interest groups most often try to influence judicial decisions by way of ______.

Cross?national variation in attitudes does not always predict cross?national variation in policy

Indicate whether this statement is true or false.

When a probability sample is used, the researcher is able to specify the probability that

a. the obtained results are accurate b. the sampling error is zero c. any individual in the population will be in the sample d. the sample is random e. the sample is properly stratified