Last visit was: 18 Nov 2025, 21:20 It is currently 18 Nov 2025, 21:20
Close
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Close
Request Expert Reply
Confirm Cancel
User avatar
busygmatbee1290
Joined: 27 Dec 2023
Last visit: 18 Mar 2025
Posts: 50
Own Kudos:
73
 [1]
Given Kudos: 116
Location: India
Concentration: Finance, Strategy
GMAT Focus 1: 755 Q87 V90 DI86
GPA: 10/10
GMAT Focus 1: 755 Q87 V90 DI86
Posts: 50
Kudos: 73
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
prashantthawrani
Joined: 07 Feb 2023
Last visit: 23 Jun 2025
Posts: 71
Own Kudos:
93
 [1]
Given Kudos: 43
Location: India
Posts: 71
Kudos: 93
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
CKHE
Joined: 11 Mar 2019
Last visit: 02 Jan 2025
Posts: 83
Own Kudos:
Given Kudos: 199
Location: India
GMAT 1: 720 Q49 V39
GMAT 2: 690 Q49 V36
GMAT 2: 690 Q49 V36
Posts: 83
Kudos: 83
Kudos
Add Kudos
Bookmarks
Bookmark this Post
User avatar
PranavVyas
Joined: 13 Aug 2020
Last visit: 11 Sep 2025
Posts: 97
Own Kudos:
107
 [1]
Given Kudos: 94
Concentration: Marketing, Operations
GMAT 1: 540 Q15 V29
WE:Operations (Manufacturing)
GMAT 1: 540 Q15 V29
Posts: 97
Kudos: 107
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
IMO Option D

(A) Whether users of the app also engage in regular physical exercise apart from using the app - Not related to exercises Out of scope- Incorrect
(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss - Not about another app- Incorrect
(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results -Irrelevant
(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app- Reminders making the diet constant and helps in weight loss - Correct
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app - not true information about weight loss in app- Incorrect
User avatar
MT___
Joined: 31 Oct 2023
Last visit: 26 Jan 2025
Posts: 29
Own Kudos:
Given Kudos: 241
Posts: 29
Kudos: 20
Kudos
Add Kudos
Bookmarks
Bookmark this Post
­option 1 will help to determine whether food travking is the primary reason or is there other reasons to the weight loss too.
User avatar
8Harshitsharma
Joined: 25 Oct 2017
Last visit: 06 Jul 2025
Posts: 133
Own Kudos:
142
 [1]
Given Kudos: 723
GMAT Focus 1: 655 Q87 V80 DI80
GMAT 1: 690 Q49 V35
GRE 1: Q165 V160
GRE 2: Q170 V162
GPA: 9.25
GMAT Focus 1: 655 Q87 V80 DI80
GMAT 1: 690 Q49 V35
GRE 1: Q165 V160
GRE 2: Q170 V162
Posts: 133
Kudos: 142
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
A new smartphone app that encourages healthy eating by tracking daily nutrient intake has reported significant user weight loss after six months of use. The developers claim that the app’s reminder system, which prompts users to record their meals and snacks, is the primary reason for this weight loss success.In evaluating the developers' argument, it would be most important to determine which of the following?

We need an option that provides a relationship between the app's reminder system and the observed weight loss for which the reminder system is a primary reason.

(A) Whether users of the app also engage in regular physical exercise apart from using the app
Whether users use any other kind of weight loss training is irrelevant unless it is the "primary reason" for their weight loss.

(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
Whether other apps show similar results or not is irrelevant for the given argument, we need to find whether the stated app's feature is the primary reason of weight loss success for the given set of people.

(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
What the users tried or did not try for weight loss BEFORE using the app is irrelevant to the discussion.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
This choice connects the dots, let's try the variance test on this choice:
If we answer YES, the reminders from the app are more effective at altering eating habits compared to other features of the app. Then we can safely say that it is the PRIMARY reason for the observed weight loss success.

If we asnwer NO,  the reminders from the app are NOT more effective at altering eating habits compared to other features of the app. Then we can no more conclude that it's the PRIMARY reason for the observed weight loss.
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app
Whether they continue to lose weight or maintain is out of scope for our argument.


 
User avatar
Varshachichu
Joined: 01 Jul 2020
Last visit: 25 Jul 2024
Posts: 15
Own Kudos:
Given Kudos: 57
Posts: 15
Kudos: 7
Kudos
Add Kudos
Bookmarks
Bookmark this Post
A new smartphone app that encourages healthy eating by tracking daily nutrient intake has reported significant user weight loss after six months of use. The developers claim that the app’s reminder system, which prompts users to record their meals and snacks, is the primary reason for this weight loss success.

In evaluating the developers' argument, it would be most important to determine which of the following?

(A) Whether users of the app also engage in regular physical exercise apart from using the app. Well this is an alternative explanation
(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss. Irrelevant
(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results. We are talking about this app here.
(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app. D seems to be the right answer, since we are talking from the point of view of the app developers who claim that their app's remainder system is the primary reason for weight loss.
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app. Not relevant
User avatar
paradise1234
Joined: 21 Nov 2023
Last visit: 24 Jan 2025
Posts: 32
Own Kudos:
Given Kudos: 8
Posts: 32
Kudos: 42
Kudos
Add Kudos
Bookmarks
Bookmark this Post
­The developers claim that the app’s reminder system, which prompts users to record their meals and snacks, is the primary reason for this weight loss success.
Notice that the developers give credit to one particular feature of the app. We have to target this point.

(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss.
Option B talks about it. Thus is the correct answer.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app.
Option D is a close contender. what stops it from being the correct answer is the phrase "more effective at altering eating habits". Our focus is weight loss. So even if other features help with altering eating habits, we really don't care.

 Options A, C and E talk about other factors affecting weight loss which is not relevant in this case. They are trying to deviate you from the focal point.

Ans B
User avatar
Elite097
Joined: 20 Apr 2022
Last visit: 08 Oct 2025
Posts: 771
Own Kudos:
553
 [1]
Given Kudos: 346
Location: India
GPA: 3.64
Posts: 771
Kudos: 553
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
(A) Whether users of the app also engage in regular physical exercise apart from using the app: This is important to know, as exercise could contribute to weight loss. However, it does not directly address whether the app’s reminder system is the primary reason for weight loss.

(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss: This could provide context about the effectiveness of similar apps, but it does not directly assess the effectiveness of the app’s reminder system.

(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results: This would help to know if the app was more effective than other methods, but it still does not specifically isolate the impact of the app’s reminder system.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app: This directly addresses the core of the developers' claim by determining if it is indeed the reminder system that is primarily responsible for the weight loss, rather than other features of the app.

(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app: This is useful information about the long-term effectiveness of the app, but it does not specifically address the role of the reminder system in the initial weight loss.

Ans D
User avatar
lhg1709
Joined: 10 Aug 2023
Last visit: 18 Feb 2025
Posts: 34
Own Kudos:
Given Kudos: 54
Posts: 34
Kudos: 30
Kudos
Add Kudos
Bookmarks
Bookmark this Post
(A) Whether users of the app also engage in regular physical exercise apart from using the app => CORRECT
User avatar
Abhijeet24
Joined: 06 Apr 2023
Last visit: 23 Feb 2025
Posts: 48
Own Kudos:
Given Kudos: 30
GMAT Focus 1: 615 Q83 V79 DI80
GPA: 3.94
Products:
GMAT Focus 1: 615 Q83 V79 DI80
Posts: 48
Kudos: 54
Kudos
Add Kudos
Bookmarks
Bookmark this Post
 
Bunuel
­A new smartphone app that encourages healthy eating by tracking daily nutrient intake has reported significant user weight loss after six months of use. The developers claim that the app’s reminder system, which prompts users to record their meals and snacks, is the primary reason for this weight loss success.

In evaluating the developers' argument, it would be most important to determine which of the following?

(A) Whether users of the app also engage in regular physical exercise apart from using the app
(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app



­
 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 

­
­To evaluate the developers' argument that the app’s reminder system is the primary reason for users' weight loss success, it is most important to determine:

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app.

This choice directly addresses the core of the developers' claim by examining whether the reminders, specifically, are the key factor in promoting the weight loss observed, rather than other features of the app or external factors. If the reminders are found to be more effective than other aspects, this would support the developers' argument that these reminders are the primary reason for the weight loss success.
User avatar
AthulSasi
Joined: 25 Jun 2019
Last visit: 04 Nov 2025
Posts: 55
Own Kudos:
77
 [1]
Given Kudos: 22
Location: India
Concentration: Marketing, Strategy
GMAT Focus 1: 695 Q88 V85 DI81
GPA: 8.5
WE:Marketing (Energy)
GMAT Focus 1: 695 Q88 V85 DI81
Posts: 55
Kudos: 77
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
(A) Whether users of the app also engage in regular physical exercise apart from using the app
(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app
---------------
The developers claim that the app’s reminder system is the primary reason for this weight loss success. To evaluate the claim we need to check whether any other feature of the app or any other things are the primary reason for the weight loss. 

Looking at the aswer choices, DETERMINING option D - Whether the reminders from the app are more effective at altering eating habits compared to other features of the app will lead us directly to evaluate the correctness of the developers claim. Hence the correct asnwer.  
None of the other choices enables this comparisson with reminder feature of the app compared to other things that could have caused the weight loss

Hence correct asnwer is D
User avatar
Purnank
Joined: 05 Jan 2024
Last visit: 15 Nov 2025
Posts: 680
Own Kudos:
Given Kudos: 166
Location: India
Concentration: General Management, Strategy
GMAT Focus 1: 635 Q88 V76 DI80
Products:
GMAT Focus 1: 635 Q88 V76 DI80
Posts: 680
Kudos: 585
Kudos
Add Kudos
Bookmarks
Bookmark this Post
­I think A,

In such questions we can evaluate argument by better understanding whether other factors other than apps attributes play significant roles or not.

(A) Whether users of the app also engage in regular physical exercise apart from using the app
Correct - directly addresses whether exercise might influence the weight loss outcomes observed, helping clarify if the app alone is responsible.

(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
Incorrect - irrelevant. Provides a benchmark against other apps, giving perspective on whether the app's results are unique or typical.

(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
Incorrect - irrelevant. Examines previous diet attempts, indicating whether the app offers a distinct advantage over other methods.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
Incorrect - side tracks, focuses on the effectiveness of the reminder system within the app itself.

(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app
Incorrect - Not needed. explores the sustainability of weight loss, indicating whether the app leads to lasting changes in eating habits.
User avatar
Rahul2407
Joined: 27 Apr 2024
Last visit: 09 Mar 2025
Posts: 20
Own Kudos:
Given Kudos: 12
Posts: 20
Kudos: 7
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Bunuel
­A new smartphone app that encourages healthy eating by tracking daily nutrient intake has reported significant user weight loss after six months of use. The developers claim that the app’s reminder system, which prompts users to record their meals and snacks, is the primary reason for this weight loss success.

In evaluating the developers' argument, it would be most important to determine which of the following?

(A) Whether users of the app also engage in regular physical exercise apart from using the app
(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app



­
 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 

­
(A) Whether users of the app also engage in regular physical exercise apart from using the app
If the users are also doing regular physical exercise, then that could cause the weight loss and not the app reminders. Hence, it is necessary to determine this.
Keep

(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
Out of scope. We are not concerned about other apps but if the reminder system contributed to the weight loss.
Eliminate. 

(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
Even if they tried other diet methods, the option mentions if they did it before using the app hence out of scope. 
Eliminate.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
It is not comparing the reminder feature to other features, which are not even mentioned in the passage.
Eliminate. 

(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app­
The time frame in discussion is the first 6 months. We are not concerned with what happened after.
Eliminate

Hence answer is option A
User avatar
Cocasocola
Joined: 20 Jun 2024
Last visit: 21 Jul 2024
Posts: 11
Own Kudos:
18
 [1]
Location: Viet Nam
GMAT 1: 600 Q42 V38
GMAT 1: 600 Q42 V38
Posts: 11
Kudos: 18
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
The point here is that determining the reason directly relating effectiveness of reminder system and recording meals to weight loss. We know that using of app then
So Answer D is the most direct and relevant one. Other things such as regular exercise, other apps or other methods are not relevant to the given argument or out of scope of the mentioned topic

Answer D.
User avatar
yipmewmew
Joined: 26 May 2021
Last visit: 15 Jul 2025
Posts: 230
Own Kudos:
83
 [1]
Given Kudos: 792
Location: India
GMAT 1: 640 Q44 V33
GMAT 2: 730 Q48 V42
Products:
GMAT 2: 730 Q48 V42
Posts: 230
Kudos: 83
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
The answer has to be D here as the developers are attributing the entire credit of the weight loss to the reminder function of the app. We need to test this feature against the other features present on the app. Only then will we know if this reminder feature is worthy of being the primary reason of people's weight loss.
User avatar
harishg
Joined: 18 Dec 2018
Last visit: 18 Nov 2025
Posts: 85
Own Kudos:
100
 [1]
Given Kudos: 27
Products:
Posts: 85
Kudos: 100
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
­Since the argument is concerned about the app's reminder system's effectiveness in driving the weight loss, we need to understand whether this is foolproof in order to come to our conclusion.

A - Doesn't matter. The app may contribute apart from physical exercise.

B - Our argument is not concerned about whether the app really indices weight loss. We are concerned about the effectiveness of app notifications 

C - Irrelevant. We are not concerned about diet methods before using the app

D - Correct. If remainders really were effective at altering eating habits, it strengthens our conclusions.

E - We are not bothered about its effectiveness after 6 months.

Therefore, D
User avatar
Milkyway_28
Joined: 23 May 2024
Last visit: 19 Apr 2025
Posts: 50
Own Kudos:
56
 [1]
Given Kudos: 71
Location: Kazakhstan
Posts: 50
Kudos: 56
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
Let us go through the answer choices 

(A) Whether users of the app also engage in regular physical exercise apart from using the app

The question specifically refers to the app's reminder system as the primary reason for weight loss. We are not really interested in all the factors that could have contributed to weight loss rather its efficacy.

(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss

Again, this is outside of the scope of what is needed to evaluate the developper's argument. We are not evaluating whether the technology used is the most cutting-edge on the market or how it fares against competitors, but rather, 'is it efficient at doing its inteded purpose?'

(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results

We are not talking about diets as a whole but the specific app's reminder system. This is a specific feature within the app as a whole. There may be other features to the app that may also influence weight loss, but we want to evaluate the efficacy of the specifc system.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app

This answer choice would actually evaluate the developers' argument since it is comparing the feature that is the "primary reason for this weight loss success" against the other features of the app.

(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app

This falls outside of the scope of what they are looking to evaluate. We are determining if the app's feature was the primary reason for weight loss after six months of use, not whether the the users picked up good habits that enabled them to carry on on their fitness and health journeys. 

The answer is D
Bunuel
­A new smartphone app that encourages healthy eating by tracking daily nutrient intake has reported significant user weight loss after six months of use. The developers claim that the app’s reminder system, which prompts users to record their meals and snacks, is the primary reason for this weight loss success.

In evaluating the developers' argument, it would be most important to determine which of the following?

(A) Whether users of the app also engage in regular physical exercise apart from using the app
(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss
(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results
(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app
(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app



­
 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 

­
­
User avatar
nikaro
Joined: 10 Dec 2023
Last visit: 20 Nov 2024
Posts: 179
Own Kudos:
253
 [1]
Given Kudos: 42
Location: India
GPA: 4
Products:
Posts: 179
Kudos: 253
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
In order to evaluate the claim that the reminders from the app are effective for the weight loss, it is important to know if there are other features within the app that is helping the users in weight loss. Hence, D
User avatar
Jolex
Joined: 26 Apr 2024
Last visit: 15 Oct 2024
Posts: 20
Own Kudos:
17
 [1]
Given Kudos: 2
Posts: 20
Kudos: 17
 [1]
1
Kudos
Add Kudos
Bookmarks
Bookmark this Post
(A) Whether users of the app also engage in regular physical exercise apart from using the app:

This question is important because if users are also exercising regularly, the weight loss might be due to exercise rather than just the app's reminders. It helps determine if the app's reminders alone can be credited for the weight loss.


(B) Whether other similar nutritional tracking apps also show similar results in terms of user weight loss:

This question compares the app in question with others. If other apps achieve similar weight loss results, it suggests that the app's reminders may not be unique or primary in causing weight loss. This would weaken the argument that the reminders are the main reason.

(C) Whether the users had tried other diet methods before using the app and had not seen similar weight loss results:

This question investigates whether the app's success is due to being more effective than previous diet attempts. While it's relevant, it doesn't directly address whether the reminders themselves are the main reason for the weight loss.

(D) Whether the reminders from the app are more effective at altering eating habits compared to other features of the app:

This question is crucial because it directly assesses if the reminders play a bigger role than other features of the app in changing how users eat. If the reminders are more effective, it strengthens the argument that they are the primary reason for the weight loss.

(E) Whether users continue to lose weight or maintain weight loss after the initial six months of using the app:

This question looks at the sustainability of weight loss over time. While important for long-term effectiveness, it doesn't directly evaluate whether the reminders themselves are the main reason for the initial weight loss.

Conclusion:
The most important question to answer is (D) because it directly evaluates whether the app's reminders are more effective than its other features at changing eating habits. If the reminders stand out in their effectiveness, it supports the argument that they are the main reason for the reported weight loss success.

Therefore, (D) is the answer that would most critically help evaluate the developers' argument about the app's reminder system.­
   1   2   3   4   5   6   
Moderators:
GMAT Club Verbal Expert
7445 posts
GMAT Club Verbal Expert
234 posts
188 posts