To whom it may concern. I would like quick answers for my questions if possible. What does Einstellung mean

To whom it may concern. I would like quick answers for my questions if possible.
What does Einstellung mean? How did the Gestalt psychologists use this term in the context of problem solving? Did you experience Einstellung while solving problems in this exercise? Describe
Did you have similar or remarkably different results in the three sets of questions: numerical, word or picture? Transcribe your results and explain in terms of theory of intelligence.
Would you want your intelligence to judged solely on the basis of the results of intelligence tests? Why or why not?