Related Experiment Video

Updated: Jan 31, 2026

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
10:39

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning

Published on: August 29, 2025

1.2K

Validation of the Russian Version of the Positive and Negative Syndrome Scale (PANSS-Ru) and Normative Data

Evgenia Ivanova1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, Anzalee Khan1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, Lora Liharska1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

  • 1Drs. Ivanova and Khan and Ms. Liharska are with VeraSci (Neurocog Trials) in Durham, North Carolina.

Innovations in Clinical Neuroscience
|December 28, 2018
PubMed

Keywords:
Positive and Negative Syndrome Scale (PANSS)Russia-BelarusSchizophrenianormative datapsychometric validation

More Related Videos

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome08:31

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome

Published on: July 31, 2016

14.5K
Examination of Thymic Positive and Negative Selection by Flow Cytometry14:29

Examination of Thymic Positive and Negative Selection by Flow Cytometry

Published on: October 8, 2012

22.6K

Related Concept Videos

Positive, Negative, and Zero Work00:58

Positive, Negative, and Zero Work

Work is done on an object when energy is transferred to the object. In other words, work is done when a force acts on a body that undergoes a displacement from one position to another. By definition, the work done by a force is the integral of the force with respect to the displacement along its path. Forces can vary as a function of position, and displacements can occur along various paths between two points. The magnitude of a force multiplied by the cosine of the angle that the force makes...
22.2K
Data Validation01:15

Data Validation

Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
1.8K
Data Validation01:03

Data Validation

Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
6.8K
Positive and Negative Feedback Loops01:18

Positive and Negative Feedback Loops

Animal organs and organ systems constantly adjust to internal and external changes through a process called homeostasis ("steady state"). Examples of these changes include regulation of the level of glucose or calcium in the blood or internal responses to external temperatures. Homeostasis requires  maintaining an internal dynamic equilibrium:
25.2K
pH Scale02:41

pH Scale

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...
79.7K
Reliability and Validity01:29

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.9K