Test validity is the extent to which a test (such as a chemical, physical, or scholastic test) accurately measures what it is supposed to measure. In the fields of psychological testing and ...

In 2000, London opened its Millennium pedestrian bridge to the public in a widely celebrated event. The momentous occasion drew large numbers of people, eager to view and experience the bridge first ...

Precision medicine has touched every aspect of healthcare today, and—as is evident from President Obama’s State of the Union speech for 2015—is front of mind with the federal government, which ...

The first reason for caring about how sensitive our standardized tests are to instruction is moral. If the tests we use to judge the effects of instruction on student learning are not sensitive to ...

A meta-analysis published in Heliyon revealed that oral fluid (OF) tests do not provide accurate indications of when individuals last used cannabis or the substance’s intoxicating effects. Researchers ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...

Validity assessment constitutes a critical component of neuropsychological evaluation, ensuring that cognitive and behavioural data accurately reflect an individual’s true capabilities. Two ...

This study assessed the concurrent validity and test–retest-reliability of the Apple Health app on iPhone for measuring gait parameters in different age groups. Twenty-seven children, 28 adults and 28 ...

The psychology of personality promises to help people better understand themselves and those they know in relation to others. Personality tests, which typically take the form of questionnaires, are ...

A third-party testing firm has deemed Florida’s new battery of statewide standardized exams valid, meaning the test scores will be used to help decide whether students should be held back, to ...

The 2024 election results will have vast consequences for health policy, but one of the less visible effects will be to once again disrupt how the federal government regulates diagnostic tests.