Which of the following survey designs has the highest response rate?

In survey research, a fence-sitter is defined as someone who:

In the original version of a survey, a question read: “I support and oppose three strikes legislation.” The question was later revised to read: “I support three strikes legislation” and “I oppose three strikes legislation.” The revised question is an improvement over the original version because the original survey question was:

The degree to which a researcher can conclude a treatment effect is known as ______.

A researcher is testing the effectiveness of a new boat paddle by holding a race between two teams. When the control team realizes that it received traditional paddles instead of the new paddles that the experimental team received, the control team members feel as though they have no chance of winning and put forth little effect in the race. This is an example of:  

The following question refers to a hypothetical questionnaire handed out to elderly residents. The questionnaire was designed to assess the elderly’s perceptions of and experiences with neighborhood crime. Below is a question that appeared in the survey. How unsafe do you feel when you are not in your neighborhood?A great dealSomeNot too muchNone   Which guideline identifies the main problem in the response choices?

The degree to which a researcher can conclude a treatment effect is known as ______.

Which of the following requires that the variation in the independent variable occur prior to the variation in the dependent variable?

A researcher is testing the effectiveness of a new boat paddle by holding a race between two teams. When the control team realizes that it received traditional paddles instead of the new paddles that the experimental team received, the control team members feel as though they have no chance of winning and put forth little effect in the race. This is an example of:  

Dr. Lee is hired as a consultant to design a survey to measure attitudes toward the death penalty. She must identify in the fastest possible time support for the death penalty that can be generalized to the general population. Which survey method should she use?