---
title: "Cause and effect confusion in thinking"
subject: "Communication English"
chapter: 2
key: "semester_5/communication_english:scientist-cause-effect-confusion"
source: https://www.bctengineer.com/q/semester_5/communication_english/scientist-cause-effect-confusion
site: BCT Engineering
---

# Cause and effect confusion in thinking

Communication English · Chapter 2: Extensive Reading

- Asked in: 2079 Baishakh, 5 marks
- Answer checked by Claude Opus 5.5 (high effort) on 2026-10-14
- Page: https://www.bctengineer.com/q/semester_5/communication_english/scientist-cause-effect-confusion
- Whole chapter: https://www.bctengineer.com/md/semester_5/communication_english/chapter-2

## Question

How can a scientist get rid of a cause and effect confusion? (Straight and Crooked Thinking)

## Short answer

A scientist avoids cause-effect confusion by controlled experiments, using control groups, repeating trials, seeking other possible causes, not mistaking correlation for causation, applying statistics, defining terms clearly, and staying open-minded to contradictory evidence.

## Answer

Cause-and-effect confusion arises when we wrongly connect events: assuming that because one thing follows or accompanies another, the first causes the second, or mistaking which of the two is the cause. A scientist can free himself from such confusion by following careful methods.

#### Ways to avoid it
1. **Controlled experiments.** Change only one factor at a time while keeping all others constant, and see whether the effect changes. This isolates the real cause.
2. **Use of a control group.** Compare cases where the supposed cause is present with cases where it is absent.
3. **Repeat the experiment.** If the result occurs again and again under the same conditions, a chance relationship is unlikely.
4. **Seek other possible causes.** Consider whether a third factor could cause both events, or whether the order is reversed.
5. **Do not mistake sequence or correlation for cause.** The fact that B follows A does not prove that A caused B. For example, cocks crow before sunrise, but they do not cause it.
6. **Use statistics and measurement.** Numbers help to check whether a link is real or accidental.
7. **Define terms clearly** so that arguments are not about different things.
8. **Remain open-minded.** Be ready to drop a favourite theory when evidence contradicts it, and let others check the work.

By such disciplined thinking, a scientist replaces guesswork with tested knowledge and avoids false conclusions.

## Check yourself

The answer's key points as multiple-choice questions, with the correct option and why.

1. How does a controlled experiment remove confusion?
   A. Change all factors
   B. Rely on opinion
   C. Run once
   D. Change one factor at a time while keeping others constant
   Answer: D. This isolates the real cause. (Key point: Controlled experiments)

2. What does a control group do?
   A. Repeats the cause
   B. Compares cases with and without the supposed cause
   C. Removes statistics
   D. Replaces measurement
   Answer: B. It shows the effect of the cause. (Key point: Control group)

3. Why is sequence not proof of cause?
   A. Sequence always proves cause
   B. Cocks cause sunrise
   C. Events never connect
   D. B following A does not prove A caused B, as cocks crow before sunrise
   Answer: D. A third factor or reversed order may be responsible. (Key point: Sequence)

4. What attitude is needed?
   A. Defend theories always
   B. Be ready to drop a favourite theory when evidence contradicts it
   C. Avoid checks
   D. Ignore others
   Answer: B. Others should check the work. (Key point: Open-mindedness)

## Related in Communication English

- [Straight and Crooked Thinking: avoidable errors](https://www.bctengineer.com/question.md?key=semester_5%2Fcommunication_english%3Astraight-crooked-thinking-avoidable-errors) — Communication English, chapter 2, asked 2×