Locating the Difficulty in Insight Problems: Individual and Sex Differences

@article{Maier1970LocatingTD,
  title={Locating the Difficulty in Insight Problems: Individual and Sex Differences},
  author={Norman R. F. Maier and Gertrude G. Casselman},
  journal={Psychological Reports},
  year={1970},
  volume={26},
  pages={103 - 117}
}
This experiment was designed to determine whether difficult problems can be made easier by manipulating a major obstacle. Standard and supposedly simplified versions of 6 insight problems were used. 311 male and 233 female Ss were given 3 of the standard versions and 3 of the simplified versions of the problems. The results showed that the supposedly helpful manipulations had limited value. For males, the standard versions of only 3 of the problems were significantly more difficult than the… 
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