Exact(14)
In the subcategory complaints due to the surgical procedure, the patients were asked to answer the items regarding the periods "pre-operative," "post-operative," and "recently".
In other words, the RTs classified as representing rapid-guessing behavior may include the time spent browsing through items for some individuals, as well as the time spent reading and processing the materials for others (yet insufficient to answer the items).
One respondent refused to answer the items in the mobile phone since he/she was interested in evaluating the content of the items but nothing else.
The previous sexual experience of the remaining participants (24%) is unknown as these participants did not answer the items measuring past sexual behaviour or answered these questions inconsistently.
Because healthy participants were not treated and therefore could not answer the items in the treatment domain, no comparison of healthy participants was made for the SAT subdomain.
Participants understood the items could recall their childhoods such that they could answer the items, and found that the response categories reflected their circumstances.
Similar(46)
The Rasch model assumes a relationship between item difficulty and a test taker's ability to answer the item correctly.
If clarification was requested or if the athlete did not know the answer, the item was recorded as unknown.
For instance, if b = 0.2, about 50% of test takers with proficiency = 0.2 would answer the item correctly.
DeMars (2010) explained that in IRT, the item difficulty (b) represents the proficiency of the test takers, half of which are expected to answer the item correctly.
According to CTT, item difficulty, more commonly referred to as the difficulty index (P), is simply the proportion of test takers who correctly answer the item.
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