Item Analysis. Item Analysis is an important (probably the most important) tool to increase test effectiveness. Each items contribution is analyzed and assessed. To write effective items, it is necessary to examine whether they are measuring the fact, idea, or concept for which they were intended.
Fish oil can cause side effects including belching, bad breath, heartburn, nausea, loose stools, rash, and nosebleeds. Taking fish oil supplements with meals or freezing them can often decrease these side effects. Consuming large amounts of fish oil from some DIETARY sources is POSSIBLY UNSAFE.
Aside from the obvious aversion to consuming rancid products, taking rancid fish oil is far less effective than taking fresh fish oil. There are two important members within the omega-3 family that offer important health benefits: DHA and EPA.