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SUMMARY:A primer on relating Age\, Brain and Cognition: As easy as “ABC
 ”?  - Rik Henson (MRC Cognition and Brain Sciences Unit)
DTSTART:20231113T123000Z
DTEND:20231113T133000Z
UID:TALK208192@talks.cam.ac.uk
CONTACT:Dace Apšvalka
DESCRIPTION:*Abstract:* _"I will run through an R-markdown script that des
 cribes different ways to relate 3 variables\, such as Age\, Brain and Cogn
 ition for example. It starts with the general linear model (GLM)\, showing
  its difficulties in distinguishing underlying models that generate the da
 ta\, and then shifts to Structural Equation Modelling (SEM) as the solutio
 n (since SEM can handle more than one relationship\, ie more than one “~
 ” in linear model syntax\, and then compare models of the data). With SE
 M\, it then demonstrates how to get closer to causal direction (watershed 
 models)\, how to test mediation effects (eg B mediates effect of A on C) a
 nd two ways to test moderation effects (eg that effect of B on C depends o
 n A). Finally it introduces latent factors in SEM\, and shows how to test 
 for measurement invariance (as an example of multi-group moderation). In f
 uture\, I hope to be able to extend the script to demonstrate different wa
 ys of handling longitudinal data on the three variables._\n\n_This demo re
 quires a very basic understanding of linear statistical models\, but shoul
 d be a good way to get a basic introduction to SEM for people not familiar
  with it\, and introduce notions like mediation\, moderation and measureme
 nt invariance.”_\n\n*Venue:* MRC CBU Lecture Theatre and Zoom https://us
 02web.zoom.us/j/82385113580?pwd=RmxIUmphQW9Ud1JBby9nTDQzR0NRdz09
LOCATION: MRC-CBU\, 15 Chaucer Road\, Cambridge
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