Local dependency: local dependency arises when items are linked such that the response on one item is dependent upon the response to another.
Local dependence occurs when the response to one item is dependent on the response to another and can inflate the apparent internal consistency of the scale.
For example, if the underlying latent trait is 'tendency to become depressed', the items 'I don't feel like getting out of bed in the morning' and 'I feel like a worthless person' may both be incorporated into a scale; however, the response to one item is not dependent on the other and, theoretically, both items could be responded to by anyone without endorsing the other.
One item is presented at a time, and on the basis of the test-taker's previous answers, the next 'best' item is the item that eliminates the most uncertainty about the classification.
It was hypothesized that if subjects positioned the 9 corner states (CS) – a corner state is a multidimensional health state in which all items are described by their best level while one item is set at its worst level – on the thermometer in a similar order, the preference weight given to each corner state would be reinforced and to a certain degree, confirmed.
One item is Henry's schoolboy copy of Cicero, in which he wrote, "Thys Boke Is Myne Prynce Henry".
One item is a claim form from a journalist on this paper back from a trip to America a century ago.
Four items ask about the psychological aspects of PI, such as the experience of sleepless nights (6), focussing on sleep (7), fear of insomnia (8), and daytime fitness (9), one item is about sleep medication (10).
What one item is indispensable to life in your city?
One item is conspicuously missing from the auction.
None of us is entitled to say one item is more true than another.
