曼哈顿一道题——“intermittent fasting” study

Jez

A group of experimental subjects participated in an "intermittent fasting" study, under which they ate all of their food for the day within six hours of waking up. The subjects consumed the same number of calories as they normally did throughout an entire day and did not change their exercise patterns. Nearly all of the subjects lost a significant amount of weight during the study. It can thus be concluded that eating all of one's food within a relatively short period of time causes the body to burn more calories.

Which of the following would be most useful to establish in evaluating the argument?

A. Are people more likely to consume low-calorie foods early in the day than at night?
B. Is the practice of intermittent fasting safe and free of major side effects?
C. Are most people able to consume as many calories within an interval of six hours as they normally would over the course of an entire day?
D. Will people following an intermittent fasting protocol feel substantially hungrier than those who space out their meals more regularly?
E. Does the body burn calories faster when food is eaten earlier in a person's waking hours than when it is eaten later?


E


我又怀疑这道题有什么常识是我不知道的。。。
结论是：短时间内把一天的食物全部吃完会使身体燃烧更多的卡路里。（前文说运动量不变，摄入量与实验前的一日三餐相同）
A. 无关
B. 与结论无关
C. 反驳前提，无关
D. 与结论无关
E. 燃烧更快和燃烧更多能是一回事吗？是我常识欠缺吗？


曼哈顿解释：
(E) CORRECT. This could provide an alternative explanation for the study result. Perhaps people burned more calories simply because they ate earlier in the day and not because of the condensed time period. If this wouldn’t happen in the evening, perhaps the author’s conclusion is not true in general. For instance, perhaps consuming all one’s calories in the last six hours of the day would lead to weight gain, not loss. In that case, it wouldn’t appear that simply eating over a reduced period of time lead to increased calorie burning.

ai559031

實驗對照組中除了吃掉食物的時間間隔不同之外
還有一個不同點就是其中一組人是在接近早起的時段吃食物
所以Ｅ說：是否是因為在剛起床的時候人的卡路里燃燒比較快

如果是因為剛起床造成身體可以燃燒較多卡路里, 那就不是因為在較短期間吃完食物造成這個差異

Jez

ai559031 发表于 2017-8-4 22:29
實驗對照組中除了吃掉食物的時間間隔不同之外
還有一個不同點就是其中一組人是在接近早起的時段吃食物
所以 ...

嗯E是这么理解的，可是早晨刚起来身体燃烧卡路里较快和燃烧较多是两码事吧，吃的卡路里是不变的。（我想E还有个意思是在六小时里较早和较晚吃，不过这个不重要）尽早吃地时候卡路里燃烧快，只能说明吃进去的的卡路里比较快地被消耗；后来吃的时候燃烧较慢，也只能说明吃的卡路里被消耗的比较慢。这样子无论早上晚上，消耗地卡路里都是一样的，看不出来born more呀？

ai559031

我覺得這裡你好像自己多加了一個assumption: 妳認為攝取的卡路里會全部都消耗掉, 所以才覺得不管快慢總是一天內會消耗完
但是
你攝取進去的卡路里不會全部消耗光
所以如果燃燒比較快的話就會比燃燒慢更容易瘦下來

不然為什麼運動消耗卡路里會瘦比較快呢～