Identify the sampling techniques used and discuss potential

Last updated: 2/18/2024

Identify the sampling techniques used and discuss potential sources of bias if any Explain In 1965 researchers used random digit dialing to call 1400 people and ask what obstacles kept them from exercising between phone numbers What potential sources of bias were present if any Select all that apply A No one talks honestly about their exercising habits with people they do not know because it is too personal a subject This may have led to untrue responses to the survey question B Individuals may have refused to participate in the sample This may have made the sample less representative of the population C Individuals may have not been available when the researchers were calling Those individuals that were available may have not been representative of the population D Telephone sampling only includes people who had telephones People who owned telephones may have been older or wealthier on average and may not have been representative of the entire population E There were no potential sources of bias