Sometimes, you may be OK with 100% on an item, particularly if it is something that is critical for students to know. Item Discrimination: Point Biserial Index (PBI) (McGahee & Ball, 2009) Correlation between score on an item and score on the exam Differentiates between those who have high or low test scores Range from -1 to +1
Fish Mox was reccomended for my cats by a friend who used it on his. I have a barn full of cats that were kind of sickly all the time. I got the Fish Mox, dissolved one capsule in one gallon of water everyday. In about a week, I noticed that most of the cats looked alot better.
One factor to consider before raising cat-. fish is will there be other species of fish in. your farm pond. If bass, bluegill, crappie or. other sunfish species are present, your. level of success may be limited. Largemouth bass, bluegill and others will. readily prey upon channel catfish eggs, fry. and fingerlings, particularly when other. food sources are less abundant. For this. article, however, we will assume that chan-. nel catfish are the only species of fish in. your farm pond.