How To
How to Calculate Sensitivity, Specificity, Positive Predictive Value, and Negative Predictive Value
If you're screening for a disease or specific characteristic in a group of people, it's important to know the sensitivity, specificity, positive predictive value, and negative predictive value so you know how useful your test is.[1] X Trustworthy Sourc...
How to Recruit Staff
The job market is constantly changing, but the heart of any business large or small will always be its staff. Regardless of the state of the job market or economy in your industry, recruiting knowledgeable and competent staff is the best way to keep your...
How to Rent an Apartment
Renting an apartment is sometimes as lengthy and tiring as buying a new home. Proper planning and in-depth research are necessary to rent an apartment that fits your needs and budget. If time and finances permit, consult a real estate agent. If you don’t...
How to Render Chicken Fat
Rendering chicken fat from a whole chicken is an economical way to save money on ingredients, while adding flavor to a wide range of recipes. You can render chicken fat, as well as fat from turkeys, ducks and other poultry for immediate use, or to freeze...
How to Lay a Turf Lawn
If you’ve ever envied your neighbor's lush green lawn, you might be thinking about laying down some turf in your yard. Turf is an easy way to replace a patchy lawn with bright, even grass, but only if you do it the right way. By cleaning up your old lawn,...
How to Get Your Dog to Take Its Medicine
Getting a dog to take its medicine can be a big challenge for pet owners. If you're having trouble getting your pup to swallow a pill, you might need to try hiding it in food, crushing up the tablet, or administering a liquid medicine. With a little patie...
How to Train Your Hair
Styling your hair can be tough sometimes, especially if you have oily, frizzy, or otherwise unmanageable hair. But by training your hair, you can cut back your time spent brushing and staring in the mirror. Working with your hair a little bit each day can...
How to Stop Hydroplaning
Hydroplaning happens when your tires encounter more water than they can scatter, so they lose contact with the road and skid along the water’s surface. The water pressure in front of the tire forces a layer of water underneath the tire, reducing friction...
How to Write Collaboratively
Collaborative writing is creating a written work with the help of other people. Many high school and college courses now require some type of collaborative writing, and you'll find that in the business world you may have to write collaboratively too. You...
How to Make Halloween Masks
Want to make your own mask for Halloween? Tired of store bought ones, or want a cute kids' project? You can make a latex mask yourself at home using materials from any large crafting or art supply store. You begin by sculpting your design, then creating...
How to Increase Your Income
Are you looking to maximize every paycheck and squeeze as much as you can out of your income? With a few adjustments to your lifestyle and your finances, you'll be able to increase the amount of money you bring in every month and maintain a healthy income...
How to WooHoo in The Sims 2
WooHoo is the Sim version of sex; needless to say, it's common for Romance Sims to roll Wants for it! This wikiHow will teach you how to make your Sims WooHoo in The Sims 2.
How to Determine Your Tax Filing Status
In the United States, your tax filing status can impact the tax benefits you receive. For this reason, you should choose the correct filing status. Sometimes, you might have several to pick from, and you can choose whichever status yields the greatest tax...
How to Check Into Rehab
A rehab service may be your key to overcoming a variety of addictions. Whether the issue is a drug addiction or a problem with alcohol, there are many treatment centers qualified to help. There's plenty of information that you may not be aware of when con...
How to Check Your Credit Score
Whether you’re thinking about buying a car, renting a home, or opening up a new credit card, it’s a good idea to know your credit score. That little number can give lenders, landlords, or even potential employers a sense of how safe or risky it might be t...
How to Get Through PE when You're on Your Period
Physical Education or PE classes usually only last about an hour. If you enjoy PE, it can be fun, if you don't like doing organized exercise, at least they are normally indoors. Even the biggest fan of PE can struggle to cope with it all when you've got y...