Sentence examples for spread of difficulty from inspiring English sources

After selecting the anchor items for each test form, unique items were selected to streamline the tests according to the criteria previously mentioned: the spread of difficulty, redundancy and the comprehension level that was assessed.

The questions from each of the component specialties within the course had reasonable spread of difficulty across the logit scale.

After anchor items were selected, unique items for each test form were chosen by considering the spread of their difficulty in each grade, similar difficulty levels between items and the comprehension level each item assessed.

They each showed that a logistic calibration provides person-free estimates of item difficulty and that an examination of the spread of the difficulty values gives an indication of the direction of the examinee development defined by the latent variable.

However, the spread of item difficulty was not satisfactory, with most items located on the lower end of the scale.

We also assessed the spread of item difficulty using the item-person map (Wright map) displayed in Figure  1.

Rasch analysis confirmed the majority of items fit with the latent trait of staff engagement with infit statistics between 0.7 and 1.3; and showed a good spread of item difficulty covering person ability.

Nevertheless, the scale is very successful in separating persons at different levels of the scale as indicated by the person separation index. 1 SD represented by the standard deviation of the threshold locations which better reflects the spread of item difficulties.

In the United States the Forest Service devised a National Fire-Danger Rating System, which is the resultant of both constant and variable fire danger factors that affect the inception, spread, and difficulty of control of fires and the damage they cause.

Extensive use of broad spectrum antibiotics, prolonged hospitalisation, indwelling devices and severe underlying diseases have been reported as factors that have led to spread of ESBL and difficulties in managing severe infections in many parts of the world [ 5, 6].

Because the risk arbitragers who would normally get on both sides of the transaction and narrow the spread have been frustrated because of difficulty in borrowing Berkshire stock for their short sales.