Glossary I
Glossary I
Isomerization refers to a change in shape of the retinal part of the visual pigment molecule that occurs when the molecule absorbs a quantum of light. Isomerization triggers the enzyme cascade that results in transduction from light energy to electrical energy in the retinal receptors.
Isometric contraction is defined as a type of contraction with little or no shortening of the muscle resulting in no appreciable change in the joint angle.
Isotonic exercise is defined as an exercise that requires the contraction of muscles and the movement of joints, as in weight lifting.
Deutsch: Problem / Español: Problema / Português: Problema / Français: Problème / Italiano: Problema
In psychology, the term issue refers to a broad spectrum of emotional, cognitive, or behavioral challenges that may not meet the criteria for a diagnosable mental disorder but still significantly impact an individual's well-being and daily functioning. These issues can manifest in various forms, such as stress, low self-esteem, relationship difficulties, grief, or work-related challenges.
Item analysis refers to an assessment of whether each of the items included in a composite measure makes an independent contribution or merely duplicates the contribution of other items in the measure. Moreover, Item analysis is a set of methods used to evaluate test items. The most common techniques involve assessment of item difficulty and item discriminability.