Articles, tagged with "correlation", page 2

Acid Reflux and Coughing - When Coughs Don't Respond to Cough Medications

Only a few of us are aware that coughing may stem from causes other than asthma or viral infection. The disorder known as acid reflux or Gastroesophageal Reflux Disease (GERD) can cause chronic coughing which may be due to intakes of certain foods. Hence ... Read >
Author: Alvin Hopkinson

Linear Regression Analysis: Centering for Multicollinearity Between Main Effects and Quadratic Terms

In Regression Analysis, one of the most common causes of multicollinearity is when predictor variables are multiplied to create an interaction term or a quadratic or higher order terms (X squared, X cubed, etc.). Why does this happen? When all the X va... Read >
Author: Karen Grace-Martin

What Causes Vocal Hoarseness?

Copyright (c) 2008 Lynda Stucky Did you know there is a correlation between physical fitness and vocal health? Vocal sound begins with a complex and dynamic interaction of various muscles in the vocal tract. A good exercise program increases cardio-res... Read >
Author: Lynda Stucky, M.A. CCC-Speech Pathology

Can Likert Scale Data ever be Continuous?

A very common question is whether it is legitimate to use Likert scale data in parametric statistical procedures that require interval data, such as Linear Regression, ANOVA, and Factor Analysis. A typical Likert scale item has 5 to 11 points that indicat... Read >
Author: Karen Grace-Martin

Aptitude Tests - How Reliable Are They?

An aptitude test is a test designed to measure the possibility of you succeeding at something. For example, many high school students take an aptitude test that is supposed to measure how well they will succeed in college.The way the accuracy of the aptit... Read >
Author: jdobson

Factors Determining The Quality of Data

What is Quality Data In layman term, Quality Data can be defined as data that meets the specific needs of a business. Each and every business in the world runs on different set of activities and they are dependent on data but in a specific format and wit... Read >
Author: Maneet Puri

Stock Market Efficiency Forms

In its general form, EMT explains more than the random walk model. That model says simply that successive price changes are independent or uncorrelated, whereas EMT explains that by saying that stock prices fully reflect all the information about a stock.... Read >
Author: Anthony Green

Early symptoms of pregnancy after ovulation: Changes, New Cravings

Pregnancy can cause many different physical findings in a woman during the early weeks. Some of the earliest symptoms may vary greatly between each individual. Even before you miss your first menstrual cycle, you may have some symptoms which are indicativ... Read >
Author: Alien

Smoking and Genetics - Is Smoking Hereditary?

You can you stop smoking if smoking is inherited in your genes. Research shows that whilst genetic factors do play a part in smoking behaviour, this is only a small part. Environment, or nurture as well as nature, plays a part too. Studies of a correla... Read >
Author: Suzanne Zacharia

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