How can stable and coherent public opinion arise from unstable and incoherent individual opinions?
a. Pollsters have developed weighting systems that allow them to identify the most informed respondents so their responses count more.
b. Measurement errors and random individual changes tend to cancel one another out and the average remains the same if the circumstances remain the same.
c. New technologies and platforms have allowed pollsters to draw better samples that reduce the amount of measurement error in polls.
d. It can arise through opinion leaders who canvass their friends and answer polling questions consistently over time.
b. Measurement errors and random individual changes tend to cancel one another out and the average remains the same if the circumstances remain the same.
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Constitutional tax limitations have applied to all of the following EXCEPT ________
A. cell phone usage B. personal property C. personal income D. state expenditure limits
What kind of effect can you examine with a two-way analysis of variance that you could not examine if you conducted multiple one-way analyses?
a. the way in which each treatment effect increases as you add more independent variables b. the interaction effect of the two ndependent variables c. the degree to which either independent variable alone changes performance on the dependent variable d. which group(s) performed significantly better or worse than other group(s)