Which of the next statements is correct? “When making a decision under uncertainty, a Bayesian observer…”

Question

BlackTom AI · Accepted Answer

When evaluating how a Bayesian observer makes decisions under uncertainty, we need to consider how evidence is combined with prior information. 
Option 1: '…puts more weight on the sensory information because it’s less reliable.' This is incorrect. In Bayesian reasoning, more reliable (more trustworthy) information should have greater influence on the posterior, while less reliable data should have less influence. Saying it weights less reliable sensory information contradicts the core idea that reliability guides updating.
Option 2: '…puts more weight on the source of information that is more reliable.' This aligns with Bayesian principles. A Bayesian observer updates beliefs by weighing evidence in proportion to its reliability (likelihood). More reliable evidence contributes more to the posterior belief, while less reliable evidence contributes less, reflecting the uncertainty of the data.
Option 3: '…makes a random guess because of the underlying uncertainty.' This misses the Bayesian mechanism entirely. Rather than guessing randomly, a Bayesian updater systematically incorporates uncertainty and computes a posterior distribution by combining prior and likelihood, not by random guessing.
Option 4: '…puts more weight on the prior information because it’s less reliable.' This misstates the role of the prior. The weighting depends on the relative certainty of the prior versus the new evidence. If the prior were truly less reliable, it would contribute less, and Bayes' rule would tilt more toward the data. The claim that the prior is always less reliable and thus dominates is not consistent with Bayesian updating.

Which of the next statements is correct? “When making a decision under uncertainty, a Bayesian observer…”单项选择题

类似问题

Complete the following statement with the incorrect answer: “The Bayesian framework…”

Which of the following statements is incorrect? “When making a decision under uncertainty, a Bayesian observer…”

Which of the following statements is correct? “When making a decision under uncertainty, a Bayesian observer…”

How did Egyptian culture and governance change during the Ptolemaic period compared to the pharaonic period?

Name the Supreme Court decision that removed financial constraints on PACs.

Political scientists Joshua Kalla and David Broockman find that senior policy makers made themselves available to _____ between three and four times more often than they did to constituents.

Name the political scientist who argues that parties are designed to serve the needs of ambitious politicians (namely candidates and officeholders).

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单