## Tools for Thought |

### From inside the book

Results 1-3 of 37

Page 139

It is important to realize what a correlation between two variables

particular, what it does not

necessarily in all populations), there is a tendency, whose strength is expressed

in ...

It is important to realize what a correlation between two variables

**means**, and inparticular, what it does not

**mean**. It**means**that, in the population studied (notnecessarily in all populations), there is a tendency, whose strength is expressed

in ...

Page 208

There is no rigorous

merely the numerical value assumed by the variable is changing – that is in the

nature of variables, one of the things about the system that we know how to

handle.

There is no rigorous

**means**of knowing which 'matter'. ... This does not**mean**merely the numerical value assumed by the variable is changing – that is in the

nature of variables, one of the things about the system that we know how to

handle.

Page 212

By

the world's resources in the past and in the future under various conditions and

can explore

World ...

By

**means**of graphic displays of the earth, players in the game can learn aboutthe world's resources in the past and in the future under various conditions and

can explore

**means**of deploying the world's resources. For a description of aWorld ...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

### Common terms and phrases

actually alternative answers applied arrangements attempt become behaviour better called carry cent complex consider container course curve deal described difficult discussed draw effect estimates eventually example experience expressed fact factors figures flats forecasting future give given growing growth happen human ideas important increase individual instance instructions interactions interesting involved kind known less limit living look mathematical means measure method move natural operational organized particular pattern perhaps period population possible practical present probably problem processes produce questions reasonably relations scientific sense shape side simple situation sort square started step structure Theory things thought tion turn types understand University usually values various whole