It is macroeconomics. I rlly need help

It’s okay i guess, do you need with a question?

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in 

Idon’t know the answer

Neurophysiologically, humans are sight (visual sense) dominant. thirty to forty percent of our cerebral cortex is devoted to vision, as compared to 8 percent for touch or just 3 percent for hearing (auditory sense)