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From |
Richard Williams <richardwilliams.ndu@gmail.com> |

To |
statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Comparing two response variables |

Date |
Mon, 28 Feb 2011 20:04:51 -0500 |

At 06:20 PM 2/28/2011, Debs Majumdar wrote:

Hello,I was asked this question today "Is there any way one can sayone dependentvariable is better than the other for the following situation?"Suppose, you have two response variables Y1 and Y2 on the samemetric, one acomposite of 8 items and the other with 10 items (same 8 items + 2other). Youhave two predictors (X1 and X2, say) and you run the following regressions: Y1 = a_0 + a_1*X1 + a_2*X2 + e1 Y2 = b_0 + b_1*X1 + b_2*X2 + e2Is there anyway to prove Y1 is a better measure for the trait we aremeasuringwhen compared to Y2?I don't have a clear cut answer for this. Is using `-sureg'appropriate for thiscase? Any help is appreciated. Thank you, Debs * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

------------------------------------------- Richard Williams, Notre Dame Dept of Sociology OFFICE: (574)631-6668, (574)631-6463 HOME: (574)289-5227 EMAIL: Richard.A.Williams.5@ND.Edu WWW: http://www.nd.edu/~rwilliam * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**RE: st: Comparing two response variables***From:*"Wooldridge, Jeffrey" <wooldri1@msu.edu>

**References**:**st: Comparing two response variables***From:*Debs Majumdar <debs_stata@yahoo.com>

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