# In a weight-reduction experiment, an overweight individual was given what the researcher called a new type of diet pill that would help curb the desire to eat in fact. the pill really contained powdered milk, but ever since the individual started taking the diet pill, he has reported that his desire to eat has decreased. This illustrates the:? with Answer - Psychology Mcqs | TestPrep

> Solved MCQ: In a weight-reduction experiment, an overweight individual was given what the researcher called a new type of diet pill that would help curb the desire to eat in fact. the pill really contained powdered milk, but ever since the individual started taking the diet pill, he has reported that his desire to eat has decreased. This illustrates the: Correct Answer: D. placebo effect. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [Psychology Mcqs](https://test-prep.blog/categories/psychology-mcqs)
Difficulty: Easy 78% Accuracy

# In a weight-reduction experiment, an overweight individual was given what the researcher called a new type of diet pill that would help curb the desire to eat in fact. the pill really contained powdered milk, but ever since the individual started taking the diet pill, he has reported that his desire to eat has decreased. This illustrates the:

Direct Answer & Quick Reference

The correct option is **D. placebo effect**.

A. curvilinear relationship

B. effect of extraneous variables

C. natural experiment

D. placebo effect **(Correct Answer)**

✨ Explain with AI

Verified Key: D. placebo effect
Solved by 4,518+ students

Verified against official examination board answer keys and standard curriculum textbooks.

- [Previous Question Sigmund Freud is regarded as the father of _____ in psychology.](https://test-prep.blog/mcq/sigmund-freud-is-regarded-as-the-father-of-in-psychology-162f6925-b1bc-4874-812a-aa0cfd0b037e)
- [Next Question What is meaning of “Autophobia”?](https://test-prep.blog/mcq/what-is-meaning-of-autophobia-f38d957c-7f13-4492-8425-2e8ac2fc92d8)

- [Practice More Psychology Mcqs MCQs](https://test-prep.blog/quiz/smart?category=psychology-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Psychology Mcqs categorized with explanations.

- [Browse All Psychology Mcqs MCQs →](https://test-prep.blog/categories/psychology-mcqs)

## Related Questions

- [Sigmund Freud is regarded as the father of _____ in psychology.](https://test-prep.blog/mcq/sigmund-freud-is-regarded-as-the-father-of-in-psychology-162f6925-b1bc-4874-812a-aa0cfd0b037e)
- [What is meaning of “Autophobia”?](https://test-prep.blog/mcq/what-is-meaning-of-autophobia-f38d957c-7f13-4492-8425-2e8ac2fc92d8)
- [The part of the neuron that specializes in receiving massages from other neurons is the:](https://test-prep.blog/mcq/the-part-of-the-neuron-that-specializes-in-receiving-massages-from-other-neurons-096a3b1e-8858-4d5c-a844-eb10948dd4c8)
- [An extremely complex behaviour that includes biological rhythms, territorial behaviour, courtship, mating, aggression, altruism and social organizations is:](https://test-prep.blog/mcq/an-extremely-complex-behaviour-that-includes-biological-rhythms-territorial-beha-7f7558fd-ea73-48c1-917f-24b5025514f7)
- [The behaviour that depends on the experiences in one’s own life but for this to occur depends upon the development and evolution of the nervous system of that animal is:](https://test-prep.blog/mcq/the-behaviour-that-depends-on-the-experiences-in-ones-own-life-but-for-this-to-o-71ae8c8a-66ff-460c-80dc-2640ff83d617)

---
*Source: https://test-prep.blog/mcq/in-a-weight-reduction-experiment-an-overweight-individual-was-given-what-the-res-74c33ad6-5da8-41e7-9227-a5092236c5b7*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*
