In the Neyman-Pearson theory of hypothesis testing it is customary to calculate significance levels and power functions on the assumption that the sample size is fixed. The main purpose of this paper ...

This paper develops a model for the forward and spot exchange rate which allows for the presence of a Markov switching risk premium in the forward market and considers the issue of testing the ...

The influential 'thrifty genotype' hypothesis [11] proposed that selection favoured metabolic thrift in ancestral populations exposed to regular 'cycles of feast and famine'. The genetic factors ...

This short activity quickly engages students in the process of science. They develop multiple hypotheses to explain a set of observations and figure out how to test these hypotheses. Demonstrates ...

How can you work safely in the lab? What are the various steps needed in order to do so? How to spot risks, hazards and understand hazard symbols. A hypothesis is an idea about how something works ...

In reality, experimenting isn’t expensive or difficult. Every product-based company and startup should embrace basic research principles, as there are a lot of good cues that businesses can take from ...

Evidence increasingly suggests that ethnic differences in cardiovascular risk are partly mediated by adipose tissue biology, which refers to the regional distribution of adipose tissue and its ...