Sentence examples for the difficulty of items from inspiring English sources

Results showed that the difficulty of items was highly similar for the three groups.

Figure 1 shows the corresponding person item map, targeting the difficulty of items 1 to 30 to the person ability.

Although the personalised system did not challenge the participants optimally, this study shows that the Bayesian rating system is in principle able to measure the skill and performance of children in playing a game with a robot (even without accurate estimates of the difficulty of items).

Those questions will be pruned as we increase the difficulty of items in future studies.

In educational assessments, for instance, person measures indicate the ability of persons, and item measures indicate the difficulty of items.

Targeting refers to how well the difficulty of items in the scale matches the abilities of the persons in the sample.

In Eq. 3, if (beta_{i} = 0), it can be concluded that the difficulty of item i does not depend on its position on the test.

On the other hand, the content of scientific reasoning may be markedly more complex, making the difficulty of item tiers harder to predict or control.

where di2 is the difficulty of item I in calibration based on two groups, di1 is the difficulty of item i in calibration l, s21 1 is the standard error of the estimate for di1 and s2l 2 is the standard error of the estimate for di2 (Alavi & Karami, 2010).

Thus, by examining the difficulty of item tiers, we can understand whether the tiers demonstrate differences in difficulty, and by extension, if one cognitive skill is easier or harder for students.

where X ni represents the observed response of a person n for an item i, θ n represents the proficiency score of person n, and b i represents the difficulty of item i.