British Books in Print


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Scientific American


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Trademarks on Base-metal Tableware


Book Description

Over the past decade the Metal Unit of the Material Culture Section, Archaeology Research Division, Canadian Parks Service, has maintained a reference file identifying marks found on metal artifacts. This document is a selection of marks on file that relate primarily to tableware items, from the late 18th century to about 1900.







Weekly Florists' Review


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Experimental and Quasi-experimental Designs for Generalized Causal Inference


Book Description

Sections include: experiments and generalised causal inference; statistical conclusion validity and internal validity; construct validity and external validity; quasi-experimental designs that either lack a control group or lack pretest observations on the outcome; quasi-experimental designs that use both control groups and pretests; quasi-experiments: interrupted time-series designs; regresssion discontinuity designs; randomised experiments: rationale, designs, and conditions conducive to doing them; practical problems 1: ethics, participation recruitment and random assignment; practical problems 2: treatment implementation and attrition; generalised causal inference: a grounded theory; generalised causal inference: methods for single studies; generalised causal inference: methods for multiple studies; a critical assessment of our assumptions.