You give any group of people a perfectionism or fear of failure test along with almost any procrastination scale and you get pretty much anywhere from a negative to at best a very weak positive correlation. And if you control for self-efficacy or self-confidence, that weak correlation disappears. Science does not back you up.
The above made me think of a paragraph that caught my eye while I was skimming through Robert Boice's Procrastination and Blocking: A Novel, Practical Approach:
...Second, [Procrastination and Blocking] seems hard to define and study.
The amount of will-power or self-regulatory strength that is used up when making choices depends on the type of choice being made. Autonomous choices don't result in ego-depletion. If you're doing things you want to do, things you like doing, your brain doesn't have to expend 'will-power'.
Choice and Ego-Depletion: The Moderating Role of Autonomy
...The self-regulatory strength model maintains that all acts of self-regulation, self-control, and choice result in a state of fatigue called ego-depletion. Self-determination theory differentiates between autono
I think you can change one's IQ.
I recently stumbled upon a paper published last year that suggests that fluid intelligence can be trained and that the training effect is dosage-dependent:
Improving fluid intelligence with training on working memory Jaeggi et al. PNAS. 2008.
...Fluid intelligence (Gf ) refers to the ability to reason and to solvenew problems independently of previously acquired knowledge. Gf is critical for a wide variety of cognitive tasks, and it isconsidered one of the most important factors in learning. More- over, Gf is closely relate
Karen Pryor, writing in Shoot the dog:
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