Mon Mar 29

HCI -- Learning Discontinuity Research MSP Team: Jie Luo, Julia Pan,
Yiwen Zhang


sl 7 is an attempt a first attempt in a step or any attempt in a step?

combining transaction data set with studnt step data set very time consuming

is a tutor intervention a human-teacher intervention?

sl 9 are the curces overplotted later?  why are they not earlier

sl 11-15 what are those plots?

sl 15 disct in f'(x) (chance in slope on opp) vs f(x) (change in intercept)

sl 16 selection effects - a missin data/imputation problem
  - what about saying the error rate is 0 for students dropped from
  that skill by the tutor?

sl 17 get a sense of whether struggle coincides with intervention

sl 18 data manip to get 2 afm models from the data at the jump

PFA splits opportunities into success and failure opps'





------------

NPD GROUP PROJECT MSP Team: Ning Gao, Pragya Jain, Wonil Lee, Frank
Kovacs

sl 13 I don't see the android and iphone curves

sl 13 are anomnalies in slope (eg during pandemic) also of interestg?
   [f(x) vs f'(x)]

(moving linear fit like loess rather than moving average)








-------------

PITTSBURGH PENGUINS PROJECT MSP Team: Kexiong Shen, Linda Yang, Steve
Kim, Minyue Fan


sl 8 discrepancies and non-sig predictors are also results!!







-------------