How does randomization in an experiment combat response bias? . a. all the subjects that are biased one way get assigned to the treatment group. b. when subjects are randomly assigned to treatment and control groups, they will not exhibit response bias. c. response bias cannot be eliminated, but it should cancel out between the treatment and control groups. d. if the experimenter does not know which subjects are in the treatment group, he will not mistakenly cause response bias. e. in a simple random sample chosen from the population, there will be no response bias.

When constructing a perpendicular line through a point off a line, how can you verify that the lines constructed are perpendicular? check the angles used in the construction with a straightedge to ensure consistency. check the distance along the lines at several places with a compass to ensure they are the same length. check the intersecting lines with the corner of a piece of paper to ensure the lines create 90° angles. check the distance between the lines at several places with a compass to ensure they are equidistant. question 2(multiple choice worth 1 points) (01.03 lc) which of the following steps is included in the construction of a perpendicular line through a point on a line? connect arcs that are above and below the given line with a straightedge. connect arcs that are above the original line with a straightedge. create arcs on either side of a point that is off the given line. create a copied angle by using the first two lines as the original angle.