Participants in a concept learning study solve several anagram puzzles over the course of 30 minutes. even though the puzzles were known to be of equal difficulty, participants solved the puzzles in less and less time as the 30 minute period progressed. this is likely the result of a(n) effect.

practice effect

Explanation:

Practice effect -

It the method , of redoing and repeating the same task or question , in order to get perfect in that portion , is known as practice effect .

This method is extremely efficient in learning or grasping any question or activity .

The method is used widely by students to excel in exam by redoing and repeating the same question again and again .

Hence , from the question , the correct term for the given information is practice effect .

answer; i believe two are ; /// world bank and international monetary fund; good luck

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.