document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891707>Question 891707</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which is generally the more reliable data-gathering tool:  a survey or a randomized comparative experiment?  Explain your reasoning.\r<BR>\n" );
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document.write( "please help me and thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539981 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=539981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A randomized comparative experiment.<BR>\n" );
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document.write( "The problem with surveys is compliance.  Usually the people who will respond are those with strong positive or negative feelings.<BR>\n" );
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document.write( "There's an excellent response to the problem of surveys <a  rel=nofollow HREF=https://answers.yahoo.com/question/index?qid=20080129184144AAeTRwA>here</a>. </SPAN>\n" );
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