document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1156193>Question 1156193</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A team of researchers is testing the effectiveness of a new HPV vaccine. They randomly divide the subjects into two groups.\r<BR>\n" );
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document.write( "Group 1 receives the new HPV vaccine, and Group 2 receives the existing HPV vaccine.\r<BR>\n" );
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document.write( "The patients were told which group they were in.\r<BR>\n" );
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document.write( "Which is the treatment group?<BR>\n" );
document.write( "Group 1<BR>\n" );
document.write( "Group 2<BR>\n" );
document.write( "Neither group\r<BR>\n" );
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document.write( "Which is the control group (if there is one)?<BR>\n" );
document.write( "Group 1<BR>\n" );
document.write( "Group 2<BR>\n" );
document.write( "No control group\r<BR>\n" );
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document.write( "Is this study blind, double blind, or neither?<BR>\n" );
document.write( "Blind<BR>\n" );
document.write( "Double-blind<BR>\n" );
document.write( "Neither\r<BR>\n" );
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document.write( "Which best describes this research?<BR>\n" );
document.write( "Observational Study<BR>\n" );
document.write( "Randomized Block Design<BR>\n" );
document.write( "Completely Randomized Experiment<BR>\n" );
document.write( "Survey<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778897 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=778897\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Treatment group is Group 1<BR>\n" );
document.write( "Control group is Group 2<BR>\n" );
document.write( "Neither blind nor double blind<BR>\n" );
document.write( "Completely randomized experiment.  A survey would be asking them what they had, and an observational study would be examining them and then drawing conclusions. There is randomization occurring here, but there is no blocking. </SPAN>\n" );
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