Mat Scale

The Mat Scale is a clinical rating tool used to organize and quantify observations about a patient’s condition, supporting consistent assessment in medical practice and research. It works by translating defined findings, symptoms, or functional behaviors into ordered scores that can be compared across examinations, clinicians, or time points. This structured approach helps document baseline status, monitor changes, evaluate treatment response, and communicate clinical information more clearly. When applied with standardized instructions and appropriate clinical judgment, the Mat Scale can improve the reproducibility of patient assessment and provide useful outcome measures for rehabilitation, diagnosis, and clinical studies.

Mat Scale - Related Videos

Education

JoVE Core - Statistics

Sign Test for Matched Pairs

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2025

The sign test for matched pairs offers a robust method for comparing two paired samples, often for the effects of an intervention in one of them. This method is very useful in situations where the underlying distribution of the data is unknown. The test compares two related samples—often pre- and post-treatment measurements on the same subjects—to determine if there are significant differences in their median values. To conduct the sign test, we first calculate the differences in value between...

pH Scale

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2020

Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...

Scaling

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2024

In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...

Research

JoVE Journal - Behavior
Free Sample

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats

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Cited by 4 •

2018

This protocol describes a method for investigating the possibility of metamemory, or memory awareness, in rodents. The odor-based delayed-matching-to-sample paradigm is a novel, ecologically-relevant behavioral test useful for determining the extent to which rodents can adaptively respond based on cognitively monitoring the strength of their memory states.

Wilcoxon Signed-Ranks Test for Matched Pairs

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2025

The Wilcoxon signed-rank test for matched pairs evaluates the null hypothesis by combining the ranks of differences with their signs. It essentially tests whether the median of the differences in a population of matched pairs is zero. Since the test incorporates more information than the sign test, it generally yields more trustable conclusions. This test also does not require the data to follow a normal distribution, but two conditions must be met for it to be applicable: (1) the data must...

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