Christine Blasey (Ford) - regression after centering
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Christine Blasey (Ford) - regression after centering
 
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I wondered what sort of research psychologist she is, when I saw that the accuser
of Kavanaugh was one. Apparently, she is the less common sort of psychologist, one
who is comfortable with numbers.
Christine Blasey (Ford) has published with Helena Kraemer a couple of times. She is
the co-author on the 2nd edition of Kraemer's book on power analysis, and on an
article about regression. I don't know if this is an article that Bruce has recommended
previously, but the abstract looks pertinent to many SPSS users.
Int J Methods Psychiatr Res. 2004;13(3):141-51.
Centring in regression analyses: a strategy to prevent errors in statistical inference.
Kraemer
HC1,
Blasey CM.
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Rich Ulrich
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Re: Christine Blasey (Ford) - regression after centering
Administrator
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Hi Rich. When I search my articles folder for <Kraemer>, I find several
articles, but not that one. I was aware of it, because I'd noticed it when looking at Christine Blasey's Google Scholar profile: https://scholar.google.ca/citations?user=J2T7HxgAAAAJ&hl=en Re centering variables prior to regression analysis, I'm generally less enthusiastic about it than I used to be. Occasionally, it may be necessary to deal with numerical problems that arise. But generally, if one has software that makes it easy to compute and plot marginal values of Y, those tables and plots are far more useful than the table of coefficients is in helping a reader understand the nature of the model. Rich Ulrich wrote > I wondered what sort of research psychologist she is, when I saw that the > accuser > of Kavanaugh was one. Apparently, she is the less common sort of > psychologist, one > who is comfortable with numbers. > > Christine Blasey (Ford) has published with Helena Kraemer a couple of > times. She is > the co-author on the 2nd edition of Kraemer's book on power analysis, and > on an > article about regression. I don't know if this is an article that Bruce > has recommended > previously, but the abstract looks pertinent to many SPSS users. > > Int J Methods Psychiatr > Res.<https://www.ncbi.nlm.nih.gov/pubmed/15297898#> > 2004;13(3):141-51. Centring in regression analyses: a strategy to prevent > errors in statistical inference. Kraemer > HC<https://www.ncbi.nlm.nih.gov/pubmed/?term=Kraemer%20HC%5BAuthor%5D&cauthor=true&cauthor_uid=15297898>1, > Blasey > CM<https://www.ncbi.nlm.nih.gov/pubmed/?term=Blasey%20CM%5BAuthor%5D&cauthor=true&cauthor_uid=15297898>. > > -- > Rich Ulrich > > > ===================== > To manage your subscription to SPSSX-L, send a message to > LISTSERV@.UGA > (not to SPSSX-L), with no body text except the > command. To leave the list, send the command > SIGNOFF SPSSX-L > For a list of commands to manage subscriptions, send the command > INFO REFCARD ----- -- Bruce Weaver [hidden email] http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." NOTE: My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. -- Sent from: http://spssx-discussion.1045642.n5.nabble.com/ ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD
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Bruce Weaver bweaver@lakeheadu.ca http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." PLEASE NOTE THE FOLLOWING: 1. My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. 2. The SPSSX Discussion forum on Nabble is no longer linked to the SPSSX-L listserv administered by UGA (https://listserv.uga.edu/). |
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In reply to this post by Rich Ulrich
She has an impressive list of publications on Google Scholar. I heard one or two media sources call her a biostatistician, but since most people have no clue what that is, I guess they settled for “research psychologist.” She’s apparently a Professor of Statistics at Palo Alto and seems to be the only person who has no office or email listed on the University’s website. I’ll have to read that article on centering. Jeff From: SPSSX(r) Discussion <[hidden email]> On Behalf Of Rich Ulrich I wondered what sort of research psychologist she is, when I saw that the accuser of Kavanaugh was one. Apparently, she is the less common sort of psychologist, one who is comfortable with numbers. Christine Blasey (Ford) has published with Helena Kraemer a couple of times. She is the co-author on the 2nd edition of Kraemer's book on power analysis, and on an article about regression. I don't know if this is an article that Bruce has recommended previously, but the abstract looks pertinent to many SPSS users. Int J Methods Psychiatr Res. 2004;13(3):141-51. Centring in regression analyses: a strategy to prevent errors in statistical inference. Kraemer HC1, Blasey CM. -- Rich Ulrich ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD |
Re: Christine Blasey (Ford) - regression after centering
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In reply to this post by Bruce Weaver
I'm happy to center only for computing the interactions, to avoid getting
statistics on the page (from confounding) that I have to go out of my way to explain.
According to her Wikipedia article, which is all of a week old,
"she specializes in designing
statistical models for research projects".
--
Rich Ulrich
From: SPSSX(r) Discussion <[hidden email]> on behalf of Bruce Weaver <[hidden email]>
Sent: Monday, September 24, 2018 4:26 PM To: [hidden email] Subject: Re: Christine Blasey (Ford) - regression after centering Hi Rich. When I search my articles folder for <Kraemer>, I find several
articles, but not that one. I was aware of it, because I'd noticed it when looking at Christine Blasey's Google Scholar profile: https://scholar.google.ca/citations?user=J2T7HxgAAAAJ&hl=en Re centering variables prior to regression analysis, I'm generally less enthusiastic about it than I used to be. Occasionally, it may be necessary to deal with numerical problems that arise. But generally, if one has software that makes it easy to compute and plot marginal values of Y, those tables and plots are far more useful than the table of coefficients is in helping a reader understand the nature of the model. Rich Ulrich wrote > I wondered what sort of research psychologist she is, when I saw that the > accuser > of Kavanaugh was one. Apparently, she is the less common sort of > psychologist, one > who is comfortable with numbers. > > Christine Blasey (Ford) has published with Helena Kraemer a couple of > times. She is > the co-author on the 2nd edition of Kraemer's book on power analysis, and > on an > article about regression. I don't know if this is an article that Bruce > has recommended > previously, but the abstract looks pertinent to many SPSS users. > > Int J Methods Psychiatr > Res.<https://www.ncbi.nlm.nih.gov/pubmed/15297898#> > 2004;13(3):141-51. Centring in regression analyses: a strategy to prevent > errors in statistical inference. Kraemer > HC<https://www.ncbi.nlm.nih.gov/pubmed/?term=Kraemer%20HC%5BAuthor%5D&cauthor=true&cauthor_uid=15297898>1, > Blasey > CM<https://www.ncbi.nlm.nih.gov/pubmed/?term=Blasey%20CM%5BAuthor%5D&cauthor=true&cauthor_uid=15297898>. > > -- > Rich Ulrich > > > ===================== > To manage your subscription to SPSSX-L, send a message to > LISTSERV@.UGA > (not to SPSSX-L), with no body text except the > command. To leave the list, send the command > SIGNOFF SPSSX-L > For a list of commands to manage subscriptions, send the command > INFO REFCARD ----- -- Bruce Weaver [hidden email] http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." NOTE: My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. -- Sent from: http://spssx-discussion.1045642.n5.nabble.com/ ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD |
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…don’t forget that centering can make the y-intercept much more interpretable. That’s where I’ve used it the most. Jeff From: SPSSX(r) Discussion <[hidden email]> On Behalf Of Rich Ulrich I'm happy to center only for computing the interactions, to avoid getting statistics on the page (from confounding) that I have to go out of my way to explain. According to her Wikipedia article, which is all of a week old, "she specializes in designing statistical models for research projects". -- Rich Ulrich From: SPSSX(r) Discussion <[hidden email]> on behalf of Bruce Weaver <[hidden email]> Hi Rich. When I search my articles folder for <Kraemer>, I find several > I wondered what sort of research psychologist she is, when I saw that the > accuser > of Kavanaugh was one. Apparently, she is the less common sort of > psychologist, one > who is comfortable with numbers. > > Christine Blasey (Ford) has published with Helena Kraemer a couple of > times. She is > the co-author on the 2nd edition of Kraemer's book on power analysis, and > on an > article about regression. I don't know if this is an article that Bruce > has recommended > previously, but the abstract looks pertinent to many SPSS users. > > Int J Methods Psychiatr > Res.<https://www.ncbi.nlm.nih.gov/pubmed/15297898#> > 2004;13(3):141-51. Centring in regression analyses: a strategy to prevent > errors in statistical inference. Kraemer > HC<https://www.ncbi.nlm.nih.gov/pubmed/?term=Kraemer%20HC%5BAuthor%5D&cauthor=true&cauthor_uid=15297898>1, > Blasey > CM<https://www.ncbi.nlm.nih.gov/pubmed/?term=Blasey%20CM%5BAuthor%5D&cauthor=true&cauthor_uid=15297898>. > > -- > Rich Ulrich > > > ===================== > To manage your subscription to SPSSX-L, send a message to > [hidden email] > (not to SPSSX-L), with no body text except the > command. To leave the list, send the command > SIGNOFF SPSSX-L > For a list of commands to manage subscriptions, send the command > INFO REFCARD ----- -- Bruce Weaver [hidden email] http://sites.google.com/a/lakeheadu.ca/bweaver/ "When all else fails, RTFM." NOTE: My Hotmail account is not monitored regularly. To send me an e-mail, please use the address shown above. -- Sent from: http://spssx-discussion.1045642.n5.nabble.com/ ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD ===================== To manage your subscription to SPSSX-L, send a message to [hidden email] (not to SPSSX-L), with no body text except the command. To leave the list, send the command SIGNOFF SPSSX-L For a list of commands to manage subscriptions, send the command INFO REFCARD |
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