Open ctmccull opened 2 years ago
@Dselby86
I was just coming to ask this same thing.
Q4 seems to be where the deviation occurs.
The posted Lab under assignments asks: • Q4a: How do you interpret coefficient b2 and b3? (5 + 5 points) • Q4b: How are b2 and b3 in this model different from b2 and b3 in the diff-in-diff model you estimated before? (5 + 5 points)
While the Lab 2 page when we follow the Github link asks: Q4a: What is the size of the program impact according to the diff-in-diff model? (5 points) Q4b: What is the size of the immediate program impact according to the interrupted time series model? (5 points) Q4c: How are the post-treatment coefficients conceptually different in these two models (a2 and b2)? (4 points) Q4d: Which coefficient in each model captures the secular trend in the data (changes we can expect independent of the treatment)? (4 points) Q4e: Do the two models make the same predictions regarding the size of secular trends (approximately)? Show your math. (2 points)
Bonus questions are also drastically different. Github has a challenge Q, assignment tab does not.
Clarification would be greatly appreciated!
Use the github questions. Sorry for the confusion.
On Sat, Mar 26, 2022, 8:18 AM kaseympotts @.***> wrote:
@Dselby86 https://github.com/Dselby86
I was just coming to ask this same thing.
Q4 seems to be where the deviation occurs.
The posted Lab under assignments asks: • Q4a: How do you interpret coefficient b2 and b3? (5 + 5 points) • Q4b: How are b2 and b3 in this model different from b2 and b3 in the diff-in-diff model you estimated before? (5 + 5 points)
While the Lab 2 page when we follow the Github link asks: Q4a: What is the size of the program impact according to the diff-in-diff model? (5 points) Q4b: What is the size of the immediate program impact according to the interrupted time series model? (5 points) Q4c: How are the post-treatment coefficients conceptually different in these two models (a2 and b2)? (4 points) Q4d: Which coefficient in each model captures the secular trend in the data (changes we can expect independent of the treatment)? (4 points) Q4e: Do the two models make the same predictions regarding the size of secular trends (approximately)? Show your math. (2 points)
Bonus questions are also drastically different. Github has a challenge Q, assignment tab does not.
Clarification would be greatly appreciated!
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Hello, I just completed the lab and am about to submit, but I see that when I click the Assignment tab in Canva, there are different questions than the ones on the Github page for the course. Should I continue with the ones listed on Github or answer the questions listed in Canva? Thanks!