Which of the following best describes the tone of the overwhelming majority of political campaign ads?

Which of the following media forums is becoming an increasingly popular entertainment and socialization medium for young children?

A.) television B.) the Internet C.) newspapers D.) radio

In nonprobability samples, the error of estimation

a. represents the likelihood that an individual from the population will be sampled b. tends to be underestimated c. tends to be overestimated d. is more influenced by sample size than it is in probability samples e. cannot be calculated