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Causal inference

Tác giả: Paul R. Rosenbaum

It provides a brief and nontechnical introduction to randomized experiments, propensity scores, natural experiments, instrumental variables, sensitivity analysis, and quasi-experimental devices. Ideas are illustrated with examples from medicine, epidemiology, economics and business, the social ...

Experimenting with science

Tác giả: Olivia Mullins

Project 1. The forces around you; Project 2. Air pressure and earth science; Project 3. Sound waves; Project 4. Chemistry; Project 5. Plants and animals; Project 6. Perceiving is believing; Project 7. Art and science.

Roller coaster science : 50 wet, wacky, wild, dizzy experiments about things kids like best

Tác giả: Jim Wiese

This book is full of information and simple science experiments that will help you to discovermore about how things work and why things happen in the world around you. This book is divided into sections based on general topic areas: playgrounds, amusement parks, recreational activities, games, and ...