Question

In: Statistics and Probability

How effective are different psychotherapies? A large-scale study compared the effectiveness of four major forms of...

How effective are different psychotherapies? A large-scale study compared the effectiveness of four major forms of therapy in the treatment of anxiety with a fifth control condition: psychodynamic; humanistic; cognitive; behavior; no treatment (control condition). Volunteer patients were assigned by the investigator to one of the five conditions. The anxiety level of each patient after 6 months was measured, using an evaluation scale that measures anxiety level on a 100-point scale. What statistical analysis would you use?

Group of answer choices:

Regression

t-test

Correlation

ANOVA

Solutions

Expert Solution


Related Solutions

Explain the different forms of market efficiency and how they relate to the different forms of...
Explain the different forms of market efficiency and how they relate to the different forms of stock value analysis and insider trading.
In a German study from the 1930s, the population of a large town is compared to...
In a German study from the 1930s, the population of a large town is compared to the size of the local flocks of storks. The study stated a linear correlation coefficient of 0.97. Which of the following is a correct interpretation of this value? a. These two variables show strong positive correlation. An increase in the number of storks in the area is related to a statistically significant increase in the population in the town. b. These two variables show...
What are the different forms of business organizations? How do different organization forms impact control and...
What are the different forms of business organizations? How do different organization forms impact control and access financing? How will you decide the appropriate organizational form for a business?
1. The minimum efficient scale of production is such that an industry has only four large...
1. The minimum efficient scale of production is such that an industry has only four large firms. This would be termed ____________. A. a four-firm industry B. an oligopoly C. a cartel D. a natural monopoly 2. In an oligopoly with a few large firms, which of the following is true? A. Each firm has independent control over the price it sets. B. Firms are interdependent. C. Firms fail to try to maximize profits. D. Each firm adjusts its price...
A trucking firm hauls loads of different sizes between different cities. Use of large scale direct...
A trucking firm hauls loads of different sizes between different cities. Use of large scale direct hauls are cheaper and more profitable than individual hauls by small truckers. Further the question arises as to whether a large trucking firm enjoys cost advantages in operating in both direct quick hauls and indirect lower but less expensive hauls. Explain the concept of economies to scale and economies to scope with reference to the above situation.
Governmental Planning Takes Diverse Forms. A partial list of large-scale governmental planning activities would have to...
Governmental Planning Takes Diverse Forms. A partial list of large-scale governmental planning activities would have to include at least the following: (1) planning for the conservation and use of natural resources, (2) city planning, (3) planning for full employment, (4) planning for personal and family security, (5) planning for agriculture, and (6) planning for the improvement of government organization. Provide one example from the case that addresses one of the five planning activities
A study is done to determine the effects of different forms of regular exercise on HDL...
A study is done to determine the effects of different forms of regular exercise on HDL levels in persons between the ages of 18 and 29. The forms of exercise observed were aerobic, weight training, and yoga. The participants HDL levels are measured after 8 weeks. Using multiple linear regression, the following regression line was created: HDL = 54.6-2.22(aerobic exercise)-1.75(weight training) Aerobic exercise is measured in hours. Weight training is a dichotomous (binary) outcome. 1=yes; 0=no Estimate the HDL level...
Do audible and viewable video ads on VOD increase ad effectiveness? A study compared viewable only...
Do audible and viewable video ads on VOD increase ad effectiveness? A study compared viewable only and both audible and viewable video ads on VOD viewing audiences after watching a brand ad. Data were collected on whether the viewer indicated that the ad made them want to visit the brand website. The results were in the following. Fill in the blanks in the table. VIEWING AUDIENCE MADE ME WANT TO VISIT THE BRAND WEBSITE Yes No Total Audible and Viewable...
Case study: Deciding what is effective from different perspectives The aim of this case study is...
Case study: Deciding what is effective from different perspectives The aim of this case study is to illustrate the sometimes competing demands of effectiveness, efficiency and equity. In particular, it should help you to: Explain what is meant by key terms such as ‘LYG’, ‘QALY’ and ‘ICER’ Use these terms and the information they represent in a decision-making scenario ?        Compare and contrast the demands of effectiveness from different perspectives Scenario You are a member of an area prescribing...
How do economies of scale impact trade? What are the different types of economies of scale?
How do economies of scale impact trade? What are the different types of economies of scale?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT