If they answer the first question correctly, the computer serves them another question of greater difficulty.
A comparison of the results from these two techniques clearly raises the question of the difficulty of comparing influenza viral titers reported in different studies and shows that quantification techniques should be identical to allow sound comparisons.
The Meiosis CI questions' index of difficulty ranged from 0.09 to 0.71, with the majority between 0.30 and 0.50, which is within the recommended range from 0.30 to 0.90 (Ding et al., 2006) or 0.30 0.70 (Craighead and Nemeroff, 2001).
Impact: total impact score includes those who answered "no" to the question of perceived difficulties and automatically had an impact score of zero For both genders, the mean total difficulties score was greater for children than for parents (p <.001).
Those who answer "no" to the question of perceived difficulties get automatically an impact score of zero.
The analysis of student data by topic, question, and level of difficulty enabled faculty to gain a better understanding of student weaknesses and address these in the classroom through the adoption of a variety of different teaching approaches.
Another method, called bookmark, involves ranking test questions in order of difficulty and having an educator mark the question that could reasonably be expected to divide the proficient students from the non-proficient.
To control for any potential effects of question difficulty, we entered question difficulty as a covariate in the analyses comparing performance across question types.
Contestants were originally faced with fifteen questions of increasing difficulty; however, the format was overhauled in 2010, and the contestants are now faced with fourteen questions of random difficulty, distributed into two rounds.
Money-maximizing behavior in the experiment sorts subjects by academic ability, as measured by performance on verbal analogy questions, across two levels of question difficulty.
