Ankur Sharma

20 Questions 146 Answers 0 Followers

Questions related from Ankur Sharma

Can a two arm randomized controlled trial have a sample size of 14 (7 per arm)?

According to my sample size estimation, the sample size comes to be 14. Would results from a trial with such a little number of subjects be valid? On the other hand I cannot increase the sample...

11 November 2019 9,350 3 View

Which test can be used to compute the effect of two groups of independent variables on dependent variable?

For example, dependent variable is depth of tissue penetration Independent variable group 1 is drug 1, 2, 3 independent variable group 2 is route of administration eg, oral, iv, im

03 March 2018 7,863 3 View

Which are the best statistics to determine convergent and discriminant construct validity?

I am comparing against a previously validated questionnaire which is similar i some respects.

08 August 2017 7,233 4 View

Can you help my friend in his problem?

Hi friends. one of my friends needs help regarding a mathematical problem solving. Can someone help him. Please refer to the attached question.

08 August 2016 6,597 0 View

How can satoguna be increased in individuals for improving psychological health?

Charaka Samhita which is the oldest texts of Ayurveda explain triguna concept of human psychology that consists of Stoguna, Rajoguna and Tamoguna. Even though we have psychometrically tested...

10 October 2015 1,125 12 View

Which poetry from your nation has inspired revolutions?

Please share any inspiring poetry from your nation that has inspired a positive social change. I will appreciate if you can provide the vernacular version as well as English translation if the...

08 August 2015 7,408 18 View

Should we as teachers try to change our students or should we change ourselves?

Values, attitude and thinking of students has changed a lot since we were students. Are their ways as correct as ours were, or are they wrong? Should we mould ourselves or should we try to change...

07 July 2015 9,832 43 View

Any articles on role of health coaching in dentistry and oral health promotion?

Are there any studies or research papers on health coaching in dental / oral health care setting. Kindly share.

07 July 2015 1,651 5 View

What are very brief interventions for health related behaviour modification?

Are there any guidelines about which are the best techniques for such interventions?

05 May 2015 5,808 0 View

Is a questionnaire with four different choices for every question which are scored on a numerical scale of 0,1,2,3 considered on a likert scale ?

The choices for all the questions are different, but they measure determinants of the same theoretical construct. I am measuring these choices on a scale of 0,1,2,3 throughout. What kind of scale...

03 March 2015 8,148 24 View

In which year should concepts of health and disease as well as study of epidemiology be introduced in undergraduate dental curriculum?

Most of the final year students have already built up a perception of health and disease till the time when they are formally introduced this concept. They are also not able to appreciate and...

03 March 2015 5,314 28 View

What is the best method to validate a questionnaire based on a 5 point Likert scale?

I want to check internal consistency, face validity, content validity, convergent and discriminant validity of a questionnaire. What are the latest and best methods for determining these?

03 March 2015 8,096 19 View

Can anyone suggest better alternatives to the Likert type scale?

Likert scale gives a fixed numerical value to a varied quality of perceptions that the participants usually tend to group under the same number/value. Is there any other scale that overcomes this...

03 March 2015 2,806 17 View

How will the study of epidemiology, biostats and research methodology help students in their clinical practice?

I feel I have been unable to give my students a satisfactory answer....maybe even I am in search of one!

03 March 2015 4,401 1 View

What are the shortcomings of a continuous linear scale in a pre- post intervention based questionnaire study and how can they be overcome?

What statistical analysis should best suit it?

03 March 2015 623 10 View

Would having a social psychologist in a community health planning team make a more effective public health program?

Is there some evidence of a program where social psychologists have actually made some difference in the success of a program after their introduction into the planning team? Any articles or...

02 February 2015 1,140 30 View

Does Obama's India visit mark a paradigm shift in US foreign policy?

Earlier US foreign policy has mainly been based on supporting countries based on indirect fundamentalism (Pak and Afghan on Islam, Israel on Judaism etc) even as its strategic interests could be...

01 January 2015 6,386 0 View

Can a preoperative hot beverage reduce intra operative anxiety in dental patient?

Some clinicians recommend and even practice administering tea or hot chocolate to patients before procedures under local anaesthesia. Does it actually work? Is there any evidence?

01 January 2015 9,167 19 View

Is inequality a curse or a blessing?

Doesn't inequality breed competitiveness and development? Should we strive towards equality or unprejudiced society?

01 January 2015 3,770 20 View

Meta analysis: How to calculate the impact of unpublished data on result of analysis?

While considering studies for inclusion into a meta analysis on a particular subject, some studies (mostly with negative results) that are unpublished may remain un-included, even after best...

12 December 2014 2,721 22 View