Update README.md Nov23

Author: juliabrill

README.md

@@ -84,8 +84,8 @@ We have pre-selected a list of topics to go through the 13 weeks-long course. Ea
 |11-Nov-25 |	Lecture 20 - Correlated Data - IPD-MA analysis (guest lecture) | [pdf](https://rawcdn.githack.com/mcarabali1/EPIB-704/7ef8659c541a96af5c807c81ad010676d3bd191c/slides/Z%20Individual%20participant%20data%20meta%20analyses.pdf)|
 |13-Nov-25 ~~23-Oct-25~~ |	Lecture 21 - Effect Measure Modification & Interaction (I)| [html](https://rawcdn.githack.com/ortizbrizuela/internal-use-only/2926cffaaa3e98292ea2ff77162ae5ca2c1fa851/L14_EPIB704_Interaction_Part_25.html);[pdf](https://rawcdn.githack.com/mcarabali1/EPIB-704/a75112893fac391e0b6fac9e6e504ff7839e0e50/slides/L15%20Effect%20Measure%20Modification%20and%20Interaction%20I.pdf)|
 |18-Nov-25 ~~28-Oct-25~~ |	Lecture 22 - Effect Measure Modification & Interaction (II)| [html](https://rawcdn.githack.com/ortizbrizuela/internal-use-only/37861d2b7922a3a2361097cb4c737f8745bf62b3/L15_EPIB704_Interaction_Part2.html#101);[pdf](https://rawcdn.githack.com/mcarabali1/EPIB-704/36baaae5bfde75a9e66df56ace2c14aa1ff9323a/slides/L16%20Effect%20Measure%20Modification%20and%20Interaction%20II.pdf)|
-|20-Nov-25 ~~11-Nov-25~~ |	Lecture 23 - Propensity score| |
-|25-Nov-25 ~~20-Nov-25~~ |	Lecture 24 - Measurement error - Core concepts| |
+|20-Nov-25 ~~11-Nov-25~~ |	Lecture 23 - Propensity score|[html](https://rawcdn.githack.com/ortizbrizuela/internal-use-only/719ff36d5920c72040abba87c7dcbcf47bee3854/L18_EPIB704_Propensity_Scores_25_Essentials.html);[pdf](https://rawcdn.githack.com/mcarabali1/EPIB-704/2e62a1b78ed9514c856da99dade8a81a171c380f/slides/L18%20Propensity%20Scores1.pdf) |
+|25-Nov-25 ~~20-Nov-25~~ |	Lecture 24 - Measurement error - Core concepts|[html](https://rawcdn.githack.com/ortizbrizuela/internal-use-only/719ff36d5920c72040abba87c7dcbcf47bee3854/L20_EPIB704_Measurement_Error_st_25.html);[pdf](https://rawcdn.githack.com/mcarabali1/EPIB-704/2e62a1b78ed9514c856da99dade8a81a171c380f/slides/L19%20Measurement%20Error%20core%20concepts.pdf) |
 |27-Nov-25 ~~18-Nov-25~~ |	Lecture 25 - Selection bias - core concepts| |
 |02-Dec-25 ~~20-Nov-25~~ |	Lecture 26 - Introduction to Quasi-Experimental Designs & Model building/selection| |