Concept-wise Practice

expectation effect MCQ Questions for Class 9

expectation effect se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

All Tags Search Similar

Practice Questions

3 questions tagged with expectation effect.

Question 1/3 Expert Science Exploration: Entering the World of Secondary Science Hypothesis and experimentation Class 9 Level 9

प्लेसिबो समूह का मुख्य वैज्ञानिक उद्देश्य क्या है?

What is the main scientific purpose of a placebo group?

Explanation opens after your attempt
Correct Answer

B. उपचार की अपेक्षा से होने वाले प्रभाव की तुलना करनाCompare effects caused by the expectation of treatment

Step 1

Concept

A placebo helps separate the effect of expectation from the effect of the actual treatment. In exams treat it as a control comparison.

Step 2

Why this answer is correct

The correct answer is B. उपचार की अपेक्षा से होने वाले प्रभाव की तुलना करना / Compare effects caused by the expectation of treatment. A placebo helps separate the effect of expectation from the effect of the actual treatment. In exams treat it as a control comparison.

Step 3

Exam Tip

प्लेसिबो अपेक्षा के प्रभाव को वास्तविक उपचार के प्रभाव से अलग करने में सहायता करता है। परीक्षा में इसे नियंत्रण तुलना समझें।

Open Question Page
Ask Friends
Question 2/3 Expert Science Exploration: Entering the World of Secondary Science Nature and meaning of science Class 9 Level 3

यदि किसी अध्ययन में प्रतिभागियों को पता है कि उन्हें नकली उपचार मिला है तो किस प्रभाव की जाँच कमजोर हो सकती है?

If participants know they received a sham treatment which effect may be difficult to assess?

Explanation opens after your attempt
Correct Answer

A. अपेक्षा प्रभावExpectation effect

Step 1

Concept

Knowledge of group assignment can influence expectations and behaviour. Link blinding with expectation bias.

Step 2

Why this answer is correct

The correct answer is A. अपेक्षा प्रभाव / Expectation effect. Knowledge of group assignment can influence expectations and behaviour. Link blinding with expectation bias.

Step 3

Exam Tip

समूह की जानकारी अपेक्षा और व्यवहार को प्रभावित कर सकती है। परीक्षा में अंध परीक्षण को अपेक्षा पक्षपात से जोड़ें।

Open Question Page
Ask Friends
Question 3/3 Expert Science Exploration: Entering the World of Secondary Science Nature and meaning of science Class 9 Level 2

एक प्रयोग में सभी प्रतिभागियों को पता था कि वे उपचार समूह में हैं। कौन सा प्रभाव परिणाम को प्रभावित कर सकता है?

In an experiment all participants knew they were in the treatment group. Which effect may influence the outcome?

Explanation opens after your attempt
Correct Answer

A. अपेक्षा प्रभावExpectation effect

Step 1

Concept

Knowledge of treatment may alter participants' feelings or behaviour. Understand the value of blinding.

Step 2

Why this answer is correct

The correct answer is A. अपेक्षा प्रभाव / Expectation effect. Knowledge of treatment may alter participants' feelings or behaviour. Understand the value of blinding.

Step 3

Exam Tip

उपचार की जानकारी प्रतिभागियों की अनुभूति या व्यवहार बदल सकती है। परीक्षा में अंध परीक्षण का महत्व समझें।

Open Question Page
Ask Friends

expectation effect Revision Links

All MCQ Tags

Browse concept directory

All Subjects

Subject-wise practice

Search expectation effect

More keyword results