An item characteristic curve that rises gradually and then turns ...

[tingc95]

An item characteristic curve that rises gradually and then turns down for people at the highest levels of performance
 
  a. is likely to occur when students are making a wild guess.
  b. can happen when 'none of the above' is one of the multiple choice options.
  c. turns down at a point referred to as the antimode.
  d. indicates an item with a high level of difficulty.

Question 2

A method for finding the minimum number of dimensions to account for a large number of variables is called
 
  a. correlational analysis.
  b. multiple regression.
 c. factor analysis.
 d. analysis of variance.

[stano32]

Answer to Question 1

b

Answer to Question 2

c

[tingc95]

Great answer, keep it coming

[momolu]

Thanks for the timely response, appreciate it