Positive economics is a social science that avoids value judgments and focuses on factual analysis and cause and effect. It aims to determine the factors that affect economic situations and predict the outcomes of policy changes. The distinction between positive and normative economics was first elaborated by John Neville Keynes and later by Milton Friedman. […]
A volumetric flowmeter measures fluid flow by placing an obstruction in the flow path that displaces a known amount of fluid. It can accurately measure a wide range of fluids, but is sensitive to dirty or corrosive fluids. It is widely used in commercial and domestic applications. A volumetric flowmeter is an instrument that measures […]
False positive pregnancy tests can be caused by hormonal treatments, certain cancers, and psychosomatic illnesses. Chemical pregnancies and contaminated testing materials can also lead to inaccurate results. Ultrasound is the most reliable way to confirm pregnancy. Sometimes a positive pregnancy test does not mean that a woman is or will become pregnant. There are numerous […]
Faint positive pregnancy test results can be caused by a variety of factors, including low hormone levels, user error, and hormonal imbalances. It is recommended to wait a few days and retest or visit a doctor for confirmation. Although modern home pregnancy tests appear to be fairly easy to read, confusion can occur if a […]
False positive drug test results can be caused by lab errors, medications (including over-the-counter cough and cold syrups and prescription drugs), herbal supplements, foods, and certain medical conditions. Those awaiting drug testing should keep a list of all medications and supplements they are taking. There are a number of substances that can cause a false […]
Positive behavior support is a system that aims to understand and improve challenging behaviors by analyzing and documenting their causes, devising a plan to eliminate them, and using positive behavior modifications to change undesirable habits. The group uses positive reinforcement and change to transform bad behaviors into more appropriate ones. Positive behavior support is a […]
Unconditional positive regard is a concept in humanist therapy where the therapist accepts and respects the client at all times, regardless of their behavior. This attitude can create a healing environment where dynamic change can occur. It is not just a model in therapy but can also be a role model for various relationships in […]
Atoms are made up of protons, neutrons, and electrons, with the balance of these particles determining the overall charge of an atom. When atoms gain or lose electrons, they become ions with positive or negative charges. The charge of an object affects how it reacts to its environment, and many everyday objects and processes make […]
Home pregnancy tests can produce false positive results due to exposure to soaps or detergents, HCG injections, certain medications, trophoblastic tumors, or hysterical/false pregnancy. Seeing a doctor after a positive result is important for proper obstetric care. A home pregnancy test can produce false positive results for several reasons. Even a blood pregnancy test can […]
Stress isn’t always negative; good stress, or eustress, can have positive effects on the body. Hans Seyle coined the term in 1936 and found that both positive and negative stressors cause hormonal changes, but chronic negative stress can have long-lasting negative effects. Good stress can create feelings of accomplishment and well-being. The word stress is […]
Positive law is man-made laws that regulate conduct and are passed by government at the local, regional or national level. It is sometimes at odds with natural law, which is based on moral principles. Positive laws can be written and promulgated by government legislators, courts, and administrative agencies. Legal positivists hold that for a law […]
Positive Pay is a cash management service used by banks to prevent fraudulent check transactions. The issuing company sends electronic files of the checks to the bank, which are compared to the checks brought to the bank. Businesses typically have to pay banks for this service. Reverse positive pay is a cash management service whereby […]
Positive discrimination, also known as affirmative action or reverse discrimination, is a set of laws and policies that give employment preference to disadvantaged groups who have experienced discrimination in the past. It aims to create equality in the workplace and ensure fair representation for under-represented groups. Positive discrimination laws vary from region to region, with […]
Positive externalities occur when a transaction benefits parties not directly involved. Examples include property improvements and pollution reduction. Such events can have far-reaching effects, benefiting future generations. A positive externality is a type of benefit that generates some kind of additional benefit for the parties that weren’t directly involved in the original transaction. With this […]
Positive airway pressure therapy is a common treatment for sleep apnea, using machines to pump pressurized air into the nose to keep airways clear and improve breathing. The most common device is a CPAP machine, but some patients may benefit from a VPAP machine that adjusts pressure levels. Positive airway pressure therapy can also be […]
TB is a bacterial infection that affects the lungs and other organs. Testing involves a skin test and X-ray to determine if the patient has active or latent TB. Both types are treated with antibiotics, but active TB requires regular checkups and tests. Latent TB is treated with a daily antibiotic for 6-9 months to […]
Positive air pressure pushes air out of a room or container, keeping contaminants out. It’s important in cleanrooms and facilities where work is done. Ventilation systems can change the flow to maintain positive or negative pressure. Rooms with multipurpose ventilation systems allow users to switch between negative and positive air pressure. Positive air pressure pushes […]
Maintaining a positive attitude at work is important for success, health, and relationships with coworkers. Address stressful situations and treat others with respect. Take breaks to recharge and make a conscious effort to react positively. Work can often be stressful and it can be difficult to maintain a positive attitude about work if you are […]