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The snack food market has recently seen an explosion in the production and sales of "100- Calorie packs," individually wrapped portions of snack foods sized to provide exactly 100 calories per portion. These packs cost substantially more per ounce-they sell for nearly same price as traditionally sized portions, which are typically two to three times their size - but consumers have been purchasing them with greater and greater frequency. One possible explanation is convenience: Consumers may be relatively unconcerned with their subjective impression of the small packs, and willing to pay more to avoid having to measure out their portions. Another possible explanation is that 100- calorie pack, at least in the case of snacks for which it has sold well, represents the smallest portion that still looks and feels "substantial" enough to appeal to dieters who lack the self control to limit their consumption of snacks from larger packages.
Which of the following, if true, would support one of the given explanation and undermine the other?
A. Consumers are willing to pay exactly the same price for 100-calorie packs sold in vending machine as for traditionally sized snack portions sold in vending machine.
B. A large number of buyers of 100-calorie packs consume them as light desserts after large meals that have left them feeling too full for traditionally sized snack food.
C. Although the 100-calorie packs have begun to sell well across a large variety of demographics, busy young professionals were the first group to purchase them frequently.
D. Because the 100-calorie packs require more packaging per ounce of food than the traditionally sized portions do, manufacturers must charge more per ounce to make the same relative profit as on traditionally sized portions.
E. Sales of 100-calorie packs have been uniformly poor at stores where they are displayed alongside traditionally sized portions, even for the same snacks whose 100-calorie packs are bestsellers at other stores.

I am lost!! Help with reasoning will be highly appreciated

Interesting question! Let's examine the argument first:
Observation: Though HCPs cost more per ounce than traditional snack packs, they are selling really well.
Reasoning 1: Consumers are probably willing to pay more to avoid measuring out their portions, and are relatively unconcerned about the size of the pack
Reasoning 2: HCPs represent the smallest snack pack sizes that look and feel 'substantial' enough to appeal to dieters without self-control
We need to pick out the answer choice that supports one of the 2 explanations and undermines the other.

A: This is a very specific case - HCPs sold in vending machines versus traditional packs sold in vending machines. Be very wary of such 'too narrow' answer choices. This does not fit our bill.
B: When such foods are consumed - does not help us.
C: This supports Reasoning 1 to some extent - busy professionals may not want the hassle of measuring out their portions. But this does not undermine Reasoning 2.
D: This is an explanation for why the companies that manufacture HCPs must charge more - does not help to strengthen/weaken the 2 explanations.
E: Correct. This choice has a clear connect to the appearance of HCPs, a point mentioned in Reasoning 2. It strengthens Reasoning 2 because it tells us that people may, in fact, be influenced by the 'substantial' feel of the HCPs. By themselves, the HCPs may have looked substantial, but next to traditional snack packs, they would look smaller. This is in line with Reasoning 2. This choice also undermines Reasoning 1: if consumers are willing to pay more to avoid measuring out their portions, this should be the case wherever the HCPs are displayed. But the sales of HCPs is poor when they are displayed next to traditional packs.
Hope this is clear now. :)
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Please correct me....
I have different understanding

"represents the smallest portion that still looks and feels "substantial" enough to appeal to dieters who lack the self control to limit their consumption of snacks from larger packages."


It clearly states that dieters want to go for small packs and limit consumption of larger ones.
D.) small packs are not sold as high as large ones, if both are placed together. This donot undermine the explanation of quoted text as dieters would still prefer smaller ones(because they cannot control eating and same time want to limit their eating).
So, D is not the answer.

Even wague , B successfully eliminates the explanation that peopl go for small packs for convenience. If a larger number of consumer take small packs because they are already full after heavy meal, the second explanation is supported and first is undermnined
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I think E is supporting the first explanation and undermining the second.
Explanation 1 says convenience is the reason and people are unconcerned about the relative size...and this is endorsed by the choice because if people are concerned of the size they would have not chosen bigger packs when placed near small 100 calorie packs.
Explanation 2 says dieters are concerned about controlling the quantity they eat so they prefer the small sized packs but the choice says the sales of big packs are increased when the shop has big packs so it undermines the fact that dieters are concerned about controlling the eating....
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Option E need not directly strengthen the second reasoning. If we can undermine the first reasoning and display with an evidence that consumers lack self control at stores where larger packs are placed beside 100cal packs then we actually strengthens Reasoning-2.
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Tricky question indeed.

There are 2 conclusions, and the question stem asks us to support one and weaken the other.

A. Consumers are willing to pay exactly the same price for 100-calorie packs sold in vending machine as for traditionally sized snack portions sold in vending machine.

The passages states that consumers are purchasing the large pack, even though they are costly, how customers make the payment is not discusses

B. A large number of buyers of 100-calorie packs consume them as light desserts after large meals that have left them feeling too full for traditionally sized snack food.

Passage does not state anything about the consumption.


C. Although the 100-calorie packs have begun to sell well across a large variety of demographics, busy young professionals were the first group to purchase them frequently.

Out of scope
D. Because the 100-calorie packs require more packaging per ounce of food than the traditionally sized portions do, manufacturers must charge more per ounce to make the same relative profit as on traditionally sized portions.

Again out of scope

E. Sales of 100-calorie packs have been uniformly poor at stores where they are displayed alongside traditionally sized portions, even for the same snacks whose 100-calorie packs are bestsellers at other stores.

This one maintains consistency while strengthening one conclusion and undermining the other.
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The snack food market has recently seen an explosion in the production and sales of "100- Calorie packs," individually wrapped portions of snack foods sized to provide exactly 100 calories per portion.

These packs cost substantially more as they sell for nearly same price as traditionally big sized portions but consumers have been purchasing them more.

  • One possible explanation is convenience: Consumers may be relatively unconcerned with their subjective impression of the small packs, and willing to pay more to avoid having to measure out their portions.
  • Another possible explanation is that 100-calorie pack, at least in the case of snacks for which it has sold well, represents the smallest portion that still looks and feels "substantial" enough to appeal to dieters who lack the self control to limit their consumption of snacks from larger packages.


Which of the following, if true, would support one of the given explanation and undermine the other?

A. Consumers are willing to pay exactly the same price for 100-calorie packs sold in vending machine as for traditionally sized snack portions sold in vending machine.
This is already mentioned and does not affect any reason.

B. A large number of buyers of 100-calorie packs consume them as light desserts after large meals that have left them feeling too full for traditionally sized snack food.
This presents a different reason different from above two reasons. OFS

C. Although the 100-calorie packs have begun to sell well across a large variety of demographics, busy young professionals were the first group to purchase them frequently.
We are bothered about reasons not who are the purchasers and both the reasons specify dieting or measuring aspect but this indicates professional lifestyle as the reason.

D. Because the 100-calorie packs require more packaging per ounce of food than the traditionally sized portions do, manufacturers must charge more per ounce to make the same relative profit as on traditionally sized portions.
(This presents a different reason from manufacturer's point of view as in B. OFS)

E. Sales of 100-calorie packs have been uniformly poor at stores where they are displayed alongside traditionally sized portions, even for the same snacks whose 100-calorie packs are bestsellers at other stores.

I could not explain why E is correct and chose C falling into the trap. But pqhai nails it.

pqhai

Correct. Because 100C pack is large enough so even if it stands alone, it still attracts dieters. ==> If 100c pack stands beside LARGER sized portion, dieters will ignore 100c pack. ==> E also undermines the 2nd explanation because if convenience is priority, customers should ignore the large sized portions to pick up the smaller sized packs.

Tricky question indeed.
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E. Sales of 100-calorie packs have been uniformly poor at stores where they are displayed alongside traditionally sized portions, even for the same snacks whose 100-calorie packs are best sellers at other stores.


Case1: store has both packs side by side. So X goes in and see both and as per E ,X picks larger one

reason 1- not valid

rason 2- valid because X does not have self control ( really!!!)

Case 2: Store has only 100 calorie pack. So X goes in and pick 100 pack.

Reason 1- Holds good else X should have got the other one

Reason 2 – I feel it holds good either. It can be a reason to avoid the big packet.


Confused!!!
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Fact: 100Calories packs cost more per ounce-than traditionally sized portions.
Fact: Consumers have been purchasing 100Calories pack with greater and greater frequency.

Explanation 1: Consumers are willing to pay more to avoid having to measure out their portions. ==> convenience is 1st priority.

Explanation 2: 100Calories pack represents the smallest portion that still looks and feels "substantial" enough to appeal to dieters who lack the self control to limit their consumption of snacks from larger packages. ==> Because 100C pack is large enough so even if it stands alone, it still attracts dieters. However, if 100c pack stands beside a LARGER sized portion, dieters will ignore the smaller one and pick up the bigger one.

B?


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C ) In several studies , subjects who ate a 100 – calorie pack of a given snack felt the same reduction in appetite , after 30 minutes , as those who traditionally sized portion of the same snack .
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C ) In several studies , subjects who ate a 100 – calorie pack of a given snack felt the same reduction in appetite , after 30 minutes , as those who traditionally sized portion of the same snack .

The correct answer choice should support one of the explanations and oppose the other. The two explanations are:
1. Convenience of not having to measure.
2. Appealing look and feel of the pack.

Now do you think C could be correct?

(not revealing answer choice or explanation before the scheduled date of publishing of answer.)
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B is talking about the sales of just one type of food items. How can we make a judgement based on such a narrow sample. It might be the case that some other food item has dense nutrients and less less qty but still sales are high. so it should be C

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B is talking about the sales of just one type of food items. How can we make a judgement based on such a narrow sample. It might be the case that some other food item has dense nutrients and less less qty but still sales are high. so it should be C

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Let's say there are two hypothesis A & B. As a scientist, you know that either A is true, or B true. Both can not be true. Now you have to check which one is wrong, and which one right.

what will you do. You will keep checking it till you get wrong result for one of it. Once you find it, you know that other one is true.
Now consumers either by these packets

1. Convenience : - measurement convenience
2. will power. You know you want to lose weight but you don't have will power so what will you do. Size look substantial but calory wise it's good.

Now what B does it gives you to reject the reason 1st. if it is convenience than 100 calorie pack sales of nuts would be good. but they are not doing good. And it strengthen the idea it is weight effect. bcoz nuts are healthy so people buy all kind of packets for that. ("substantial" effect doesn't matter in this case) and that is why they are not selling as much as people in this case wants more and not less.
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B is talking about the sales of just one type of food items. How can we make a judgement based on such a narrow sample. It might be the case that some other food item has dense nutrients and less less qty but still sales are high. so it should be C

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Question wants us to pick an option that undermines 1 explanation and supports the other one. B is supporting Exp 2 and undermining Exp 1.

1. Convenience - Because people buy the new snack rather than just 10 to 12 nuts to fulfill 100C quota, they are not concerned about the convenience.

2. Even if B talks about only 1 type of food item, it is correct because of 2 major reasons..

a) Every other option is going on a tangent. They are nowhere close to the desired answer.
b) Since we do not know the ingredients of the snack, we are not bound to make a generalized statement to include every food item. Quite possibly, even the snack contains only 2 or 3 different nuts.
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There's a Video explanation by Ron for this Question. To those of you who have a problem with this type of CR Questions, Ron's also mentioned a great strategy to quickly solve this. The video's over here -

START @ around 38:00
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I think E just supports the second assumption, and didn't undermine the first one.

Is it because there are only two explanations, so supporting one will inevitably undermine another?
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Hello expert,
I can’t understand how E support any explanation.
As it says Sales of 100-calorie packs are poor than those of traditional sized portion when they are put together, I think this means large sized portion sell better cuz people don’t think 100c packs are substantial enough when compared to the traditional sized pack, so they choose the larger one. But I don’t know how it supports the second explanation?
While, for convenience, as the two portions of snack are displayed together (the same convenience), but the traditional sized sell better, so I think it should undermine the first explanation.
Hope to get your enlightenment, and thanks in advance.
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(A) Consumers are willing to pay exactly the same price for 100-calorie packs sold in vending machines as for traditionally sized snack portions sold in vending machines.

This shows that consumers don’t mind paying more per ounce, but doesn't indicate why — no insight into convenience or visual appeal.
❌ Neutral to both explanations.

(B) A large number of buyers of 100-calorie packs consume them as light desserts after large meals that have left them feeling too full for traditionally sized snack food.

This supports the idea that smaller size is visually/psychologically appealing to those watching intake (supports Explanation 2).

Undermines convenience explanation, because after a big meal, convenience isn’t the key issue — they're full, not rushed.

✅ Supports Explanation 2, Undermines Explanation 1.

(C) Although the 100-calorie packs have begun to sell well across a large variety of demographics, busy young professionals were the first group to purchase them frequently.

This supports convenience (busy professionals value ease), but doesn’t clearly undermine visual appeal explanation.
❌ Only supports one, not undermines the other.

(D) Because the 100-calorie packs require more packaging per ounce of food than the traditionally sized portions do, manufacturers must charge more per ounce to make the same relative profit.

This explains why they cost more — but doesn’t relate to why consumers are buying them.
❌ Irrelevant to the two explanations.

(E) Sales of 100-calorie packs have been uniformly poor at stores where they are displayed alongside traditionally sized portions, even for the same snacks whose 100-calorie packs are bestsellers at other stores.

Suggests direct visual comparison hurts sales. That could support visual appeal being a factor (undermines it if they don't look substantial compared to larger packs).

But it's unclear whether this supports or contradicts convenience.
❌ Too ambiguous to clearly support one and undermine the other.

✅ Correct Answer: (B)
A large number of buyers of 100-calorie packs consume them as light desserts after large meals that have left them feeling too full for traditionally sized snack food.

Supports the explanation that the portion size feels “substantial enough” for dieters.

Undermines the convenience explanation, since after a large meal, portion control (not time-saving) is the driver.
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