Learn about planning experiments and variables when working scientifically with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

Resource Published: March 2003 Sample Power and ExpDesign: Tools for Improving Design of Animal Experiments Henk van Wilgenburg, Piet G. van Schaick Zillesen & Iva Krulichova MS Lab Animal 32, 39 ...

This thesis develops design-based analysis methods for field experiments that take into account the design of the probability sample by which units are drawn from a finite population and the ...

Instrumental variable (IV) methods for regression are well established. More recently, methods have been developed for statistical inference when the instruments are weakly correlated with the ...

Thomas S. Dee, William N. Evans, Teen Drinking and Educational Attainment: Evidence from Two‐Sample Instrumental Variables Estimates, Journal of Labor Economics, Vol. 21, No. 1 (January 2003), pp. 178 ...