Question: Does St. John's wort have a significant effect in treating major depression? A study looked at 340 adult outpatients suffering from major depression as measured

Does St. John's wort have a significant effect in treating major depression? A study looked at 340 adult outpatients suffering from major depression as measured by their HAM-D score, randomly assigned each subject to either a placebo, St. John's wort, or a second active treatment for depression. Why is this study an experiment?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Researchers wanted to compare the effectiveness and safety of an extract of St. Johns wort with placebo in outpatients with major depression. To do this, they recruited 200 adult outpatients...

This text was adapted by The Saylor Foundation under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License without attribution as requested by the work's original creator or licensee. 1...

Journal of Social Work Practice in the Addictions, 13:269-294, 2013 Copyright Taylor & Francis Group, LLC ISSN: 1533-256X print/1533-2578 online DOI: 10.1080/1533256X.2013.814483 Child Maltreatment...

After reading all sources please respond to the following questions: 1. How have women's roles changed over the past 100 years? How has the response by the criminal justice system changed for women...

Assessment & Evaluation in Higher Education Vol. 29, No. 1, February 2004 Academic procrastination and statistics anxiety Anthony JOnwuegbuzieDepartment of Educational Measurement and Research,...

Occupational Stress in Organizations and Its Effects on Organizational Performance Henry Ongori and Joseph Evans Agolla Abstract Human resource practitioners, counsellors, professionals and managers...

CY 2013 OPPS\\ASC Final Rule Hospital Outpatient Department Prospective Payment System Payment Impact File This file contains data used to assess the impact of the final CY 2013 Medicare hospital...

Provide a Case Study for Developing and Operating Sustainable Resorts: Innovative Sustainability Practices for the Next Generation of Green Resort Managers. Summarize in bullet points the sustainable...

Group Presentation Christus Spohn I. II. III. IV. Outline Problem a. Effective Staffing Under Numerous Constraints i. Short Staffing 1. Have too much staff/don't have enough staff 2. Work standard...

Recall from Exercise 4.3 (page 158) that two randomly selected customers are each asked to take a blind taste test and then to state which of three diet colas ( marked as A, B, or C) he or she...

The following data represent the flight time (in minutes) of a random sample of seven flights from Las Vegas, Nevada, to Newark, New Jersey, on Continental Airlines. Compute the mean, median, and...

Which statements are TRUE if a customer's account is frozen?A All monies must be in - house by T 1 BTrading is not permitted during the freeze periodCThe freeze period lasts for 3 0 daysDAll...

Given Data: \begin{tabular}{|ll|l|l|} \hline Jan.1 & Beginning inventory & 619 units @ $78=$48,282 \\ \hline Feb. 13 & Purchased & 335 units @ $75=$25,125 \\ \hline Aug. 5 & Purchased & 215 units @...