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The Positive and Negative Syndrome Scale ( PANSS) is a medical scale used for measuring symptom severity of patients with schizophrenia. It was published in 1987 by Stanley Kay, Lewis Opler, and Abraham Fiszbein. It is widely used in the study of antipsychotic therapy. The scale is the "gold standard" for evaluating the effects of ...
Video quality. Video quality is a characteristic of a video passed through a video transmission or processing system that describes perceived video degradation (typically compared to the original video). Video processing systems may introduce some amount of distortion or artifacts in the video signal that negatively impact the user's perception ...
In evidence-based medicine, likelihood ratios are used for assessing the value of performing a diagnostic test. They use the sensitivity and specificity of the test to determine whether a test result usefully changes the probability that a condition (such as a disease state) exists. The first description of the use of likelihood ratios for ...
Real-world video quality is tricky to measure: a bitrate that looks good for a crowd shot might be terrible for a close-up. Netflix, however, thinks it has the problem licked. It developed a tool ...
Sony WF-1000XM4 review. Sony totally overhauled its true wireless earbuds with a new design, more powerful noise cancellation, improved battery life and more. However, the choice to change to foam ...
It really is a complete package — or so we thought. As it turns out, Sony had more tricks up its sleeve, and a few new upgrades make the WH-1000XM4 ( $350) even better. The first change you’ll ...
The false positive rate (FPR) is the proportion of all negatives that still yield positive test outcomes, i.e., the conditional probability of a positive test result given an event that was not present. [6] The false positive rate depends on the significance level. The specificity of the test is equal to 1 minus the false positive rate.
The larger of Sony’s first two 360 Reality Audio speakers is a beast. The device is big and powerful, capable of solid 360RA performance and upscaling regular music to make it sound more immersive.