Take another example: The annual return of a particular mutual fund is claimed to be 8%. Assume that the mutual fund has been in existence for 20 years. The null hypothesis is that the mean return ...

When you’re physically inactive, you increase your reproductive output by increasing hormones like estrogen, for example, and progesterone, which increases your risk of cancer. Testosterone as well.

Diane Costagliola is a researcher, librarian, instructor, and writer who has published articles on personal finance, home buying, and foreclosure. Investopedia / Julie Bang The endowment effect ...

A hypothesis based on years of business research in a particular area, then, helps you focus, define and appropriately direct your research. You won't go on a wild goose chase to prove or disprove it.

Hypothesis testing involves discerning the effect of one factor on another by exploring the relationship's statistical significance. Hypothesis testing in business examples might include a ...

The Royal Swedish Academy of Sciences awarded the Nobel prize to professors Thomas Sargent, of New York University, and Christopher Sims, of Princeton University, for their independent ...

The idea that one needs to do an experiment—a controlled perturbation of a single variable—to assign cause and effect is deeply embedded in traditional thinking about the way scientific ...

Two economists known for their work on distinguishing cause and effect in the economy have won the 2011 economics prize in memory of Alfred Nobel, in a bold decision which will be seen as ...

I contend that this hypothesis is problematic in some respects and that Kriegstein et al. might have reversed cause and effect in their attempt to explain cortical folding. ... (for example, areas ...