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OSOM Strep A Test | Pack of 20 Tests

OSOM Strep A Test | Pack of 20 Tests

A colour immunochromatographic assay intended for the qualitative detection of Group A Streptococcus antigen directly from throat swab specimens. OSOM Strep A Test for sore throat test and treat service (Professional use ONLY – not for personal use) Easy-to-read two color results Results in 5 minutes 96% sensitivity 98% specificity versus culture Includes 2 additional test sticks for external QC testing   Composition of the kit: 20 Test Sticks 20 Test Tubes 20 Sterile Swabs 1 Reagent 1 (2 M Sodium Nitrite) 1 reagent 2 (0.3 M Acetic Acid) 1 Positive Control (Nonviable Group A Streptococci, 0.1% Sodium Azide) 1 Negative Control (Nonviable Group C Streptococci, 0.1% Sodium Azide) 1 Directional Insert Note: Extra components (swabs, tubes) have been provided for your convenience.  

GBP 85.00
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Practical Psychometrics A Guide for Test Users

Practical Psychometrics A Guide for Test Users

This is the first practitioner-oriented guide to basic psychometrics-the science behind test construction and validation. It can be used as a course text or clinical reference for anyone who needs to select and administer diagnostic tests or review test score data obtained by others. Without assuming any mathematical background the author describes the fundamentals of diagnostic testing how to interpret score data and how specific tests are used in school psychology special education counseling and other contexts. Concepts such as reliability validity and fairness and test bias are explained in an accessible conversational way. Detailed case examples illustrate the dos and don'ts of presenting test score data to clients parents and teachers in oral feedback and written reports. Pedagogical Features: *End-of-chapter exercises that emphasize application and understanding with answers at the end of the book. *Key terms are bolded throughout and accessibly explained in the end-of-book glossary. *Resource appendix-annotated guide to articles and books on more advanced topics in psychometrics assessment and testing. | Practical Psychometrics A Guide for Test Users

GBP 37.99
1

Hirschmann Test & Measurement Hirschmann Test Lead & Connector Kit

Hirschmann Test & Measurement Hirschmann Test Lead & Connector Kit

Hirschmann Test & Measurement Hirschmann Test Lead & Connector Kit, Lead Length: 1m, Colour: Black, Red, Test Lead Type: 4 mm Connector Test Leads, Voltage Rating: 1kV, Connector A Gender: Male, Connector A Shrouded: Yes, Connector A Orientation: Straight, Contact Material: Beryllium Copper (Spring), Maximum Operating Temperature: +70°C, Minimum Operating Temperature: -15°C, Operating Temperature Range: -15 → +70 °C, Safety Category Level: CAT II, CAT III, MPN: 975002001

GBP 36.82
1