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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB">Hi there,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB">I have a 2 (language: Swe vs. Eng) x 2 (prime: pp vs. do) design and was wondering how I do simple effects in mixed logit models.<SPAN style="mso-spacerun: yes"> </SPAN>I could delete one level of a variable and then analyse the other level of a variable (e.g., Swe pp vs. Swe do), but I suspect that that’s not the appropriate way of doing it.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB">I have attached my analyses and output. Note that my variables are effect coded.<SPAN style="mso-spacerun: yes"> </SPAN>I don’t have an interaction and so strictly speaking, I shouldn’t analyse simple effects, but reviewers have asked us to.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB">Thanks a lot for any help!<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB">Roger van Gompel<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; mso-layout-grid-align: none"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-ansi-language: EN-GB"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> library(lme4)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> L2prim = read.table("forLME.txt", header=TRUE)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> L2prim$langcent <- scale(as.numeric(L2prim$language)) <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> L2prim$primecent <- scale(as.numeric(L2prim$prime))<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> L2prim$PID=as.factor(L2prim$PID)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> L2prim$ITEM=as.factor(L2prim$ITEM)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> head(L2prim)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>LIST PID ITEM language prime score<SPAN style="mso-spacerun: yes"> </SPAN>langcent<SPAN style="mso-spacerun: yes"> </SPAN>primecent<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">1<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>2<SPAN style="mso-spacerun: yes"> </SPAN>4<SPAN style="mso-spacerun: yes"> </SPAN>swe<SPAN style="mso-spacerun: yes"> </SPAN>do<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>1.008740 -0.9742244<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">2<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>2<SPAN style="mso-spacerun: yes"> </SPAN>7<SPAN style="mso-spacerun: yes"> </SPAN>swe<SPAN style="mso-spacerun: yes"> </SPAN>do<SPAN style="mso-spacerun: yes"> </SPAN>0<SPAN style="mso-spacerun: yes"> </SPAN>1.008740 -0.9742244<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">3<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>2<SPAN style="mso-spacerun: yes"> </SPAN>8<SPAN style="mso-spacerun: yes"> </SPAN>swe<SPAN style="mso-spacerun: yes"> </SPAN>pp<SPAN style="mso-spacerun: yes"> </SPAN>0<SPAN style="mso-spacerun: yes"> </SPAN>1.008740<SPAN style="mso-spacerun: yes"> </SPAN>1.0248334<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">4<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>2<SPAN style="mso-spacerun: yes"> </SPAN>20<SPAN style="mso-spacerun: yes"> </SPAN>swe<SPAN style="mso-spacerun: yes"> </SPAN>pp<SPAN style="mso-spacerun: yes"> </SPAN>0<SPAN style="mso-spacerun: yes"> </SPAN>1.008740<SPAN style="mso-spacerun: yes"> </SPAN>1.0248334<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">5<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>2<SPAN style="mso-spacerun: yes"> </SPAN>22<SPAN style="mso-spacerun: yes"> </SPAN>eng<SPAN style="mso-spacerun: yes"> </SPAN>pp<SPAN style="mso-spacerun: yes"> </SPAN>0 -0.989767<SPAN style="mso-spacerun: yes"> </SPAN>1.0248334<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">6<SPAN style="mso-spacerun: yes"> </SPAN>1<SPAN style="mso-spacerun: yes"> </SPAN>2<SPAN style="mso-spacerun: yes"> </SPAN>23<SPAN style="mso-spacerun: yes"> </SPAN>swe<SPAN style="mso-spacerun: yes"> </SPAN>pp<SPAN style="mso-spacerun: yes"> </SPAN>0<SPAN style="mso-spacerun: yes"> </SPAN>1.008740<SPAN style="mso-spacerun: yes"> </SPAN>1.0248334<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> primanal=lmer(score ~langcent*primecent + (1|PID) + (1|ITEM), data=L2prim, family = "binomial")<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">> summary(primanal)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Generalized linear mixed model fit using PQL <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Formula: score ~ langcent * primecent + (1 | PID) + (1 | ITEM) <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>Data: L2prim <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>Family: binomial(logit link)<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>AIC<SPAN style="mso-spacerun: yes"> </SPAN>BIC<SPAN style="mso-spacerun: yes"> </SPAN>logLik deviance<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>559.0337 590.1759 -272.5168 545.0337<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Random effects:<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>Groups Name<SPAN style="mso-spacerun: yes"> </SPAN>Variance Std.Dev.<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>ITEM<SPAN style="mso-spacerun: yes"> </SPAN>(Intercept) 2.2551<SPAN style="mso-spacerun: yes"> </SPAN>1.5017<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>PID<SPAN style="mso-spacerun: yes"> </SPAN>(Intercept) 2.5343<SPAN style="mso-spacerun: yes"> </SPAN>1.5919<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"># of obs: 632, groups: ITEM, 40; PID, 32<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Estimated scale (compare to 1)<SPAN style="mso-spacerun: yes"> </SPAN>0.880811 <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Fixed effects:<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>Estimate Std. Error<SPAN style="mso-spacerun: yes"> </SPAN>z value Pr(>|z|)<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">(Intercept)<SPAN style="mso-spacerun: yes"> </SPAN>-0.946211<SPAN style="mso-spacerun: yes"> </SPAN>0.393646 -2.40371 0.016230 * <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">langcent<SPAN style="mso-spacerun: yes"> </SPAN>0.012060<SPAN style="mso-spacerun: yes"> </SPAN>0.108898<SPAN style="mso-spacerun: yes"> </SPAN>0.11075 0.911818<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">primecent<SPAN style="mso-spacerun: yes"> </SPAN>0.337744<SPAN style="mso-spacerun: yes"> </SPAN>0.110732<SPAN style="mso-spacerun: yes"> </SPAN>3.05010 0.002288 **<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">langcent:primecent -0.099484<SPAN style="mso-spacerun: yes"> </SPAN>0.109631 -0.90744 0.364172<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">---<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Signif. codes:<SPAN style="mso-spacerun: yes"> </SPAN>0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 <o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p><FONT face="Times New Roman" size=3> </FONT></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">Correlation of Fixed Effects:<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman"><SPAN style="mso-spacerun: yes"> </SPAN>(Intr) lngcnt prmcnt<o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">langcent<SPAN style="mso-spacerun: yes"> </SPAN>-0.001<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3><FONT face="Times New Roman">primecent<SPAN style="mso-spacerun: yes"> </SPAN>-0.025 -0.033<SPAN style="mso-spacerun: yes"> </SPAN><o:p></o:p></FONT></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT face="Times New Roman" size=3>lngcnt:prmc<SPAN style="mso-spacerun: yes"> </SPAN>0.007 -0.048 -0.005</FONT></SPAN></P><BR>
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