The major shortcoming of Lewin's early research on leader ...

[stephzh]

The major shortcoming of Lewin's early research on leader behavior was:
 
  a. it was not clear which behavior was most effective
  b. the behaviors were difficult to define clearly
  c. the researchers could not measure the leader behaviors consistently
  d. only task behavior was shown to improve performance

Question 2

Tit-for-tat was the most effective strategy in terms of maximizing gains in the Prisoner's
  Dilemma Tournament held by Robert Axelrod, published in Science magazine.
 
  All of the
  following factors were cited as reasons for tit-for-tat's overall effectiveness except:
  A) it is a forgiving strategy that allows players to put the past behind them
  B) it is a tough strategy that cannot be taken advantage of
  C) it is a nice strategy and makes a positive first impression
  D) it is a fearless strategy that makes decisions independent of what the other player might
  do

[bulacsom]

Answer to Question 1

a;

Answer to Question 2

D