The optimal difficulty level for items is usually about halfway between 100 of the respondents getting the item correct and
a. a 50/50 chance for choosing a correct response.
b. the level of success expected by chance alone.
c. the highest possible variance in correct responses for the item set.
d. zero respondents getting the item correct.
Question 2
Which of the following has served as a major technique of gathering psychological information and provide(s) data that complements test results?
a. The interview
b. The Rorschach
c. Test batteries
d. Standardization
Comparison of the level of skin damage as a result of the three different degrees of burns.
Does this child have legs of different lengths or scoliosis? Look at the level of the iliac crests a
Upper-Level Maps
Kyoto Protocol encourages industry to innovate and reduce the level of emissions
The gap between the projected level of greenhouse gas emissions
Sea-Level Pressure