Howdy Vin!
Stoked to hear that you are enjoying
Magoosh!
I can answer you questions too!
vingmat001 wrote:
1. What is the accuracy of the score estimator?
If you are referring to the score on your dashboard, that score is predicted by getting feedback from previous users (
i.e., their score on the actual GMAT), comparing that to their performance on
Magoosh practice problems (the number and difficulty of questions answered) and formulating a predicted score based on the correlation between these two things. We wrote about how we went about creating the predicted score for our GRE product, which is the same for our GMAT product. You can read more about that here (
https://magoosh.com/gre/2012/how-to-pred ... gre-score/), as well as more about how the actual exam is scored here (
https://www.ets.org/gre/revised_general/scores/how/).
The estimated score will change as you answer more questions. It usually takes about 50 answered questions to see any change in your score. This means that the more questions you answer, the more improvement you'll see, and the more accurate your score estimate will be.
When you go back and answer your incorrect questions, the estimated score on your Dashboard will improve (assuming you answer the questions correctly the 2nd time around). It's best to re-answer your incorrect questions with a bit of space in between, so you don't remember the answer exactly. This won't affect your estimated score too much though (based on past student's predicted scores and real scores).
Once you answer over 150 questions in a section, you'll likely see little movement on the score predictor because your % correct will likely not move too much. However, that doesn't mean you aren't improving! I recommend taking a practice test using the "Take a practice test" link on the Dashboard just above the green Math and Verbal buttons. The practice test will likely provide a better indication of where you are today.
vingmat001 wrote:
2. What are the various difficulty levels on Mangoosh - Is there anything after "Hard"
Yes, there is a level above "Hard." It's "Very Hard."
If you want to practice "Very Hard" questions, I recommend setting up a "Custom Practice" in the "Practice" drop down at the top of the page. Then you can set the "Difficulty" to "Very Hard." The default is "Adaptive" so you'll need to change it.
Hope that helps! Happy studying!