What is a key feature of the alternative hypothesis?

The correct answer highlights the essence of the alternative hypothesis, which is central to hypothesis testing in research. The alternative hypothesis indicates that there is a substantial statistical difference or effect present in the data being analyzed. This means that the alternative hypothesis posits a specific relationship or outcome that researchers expect to find if their study hypothesis is validated.

When conducting statistical tests, researchers often set up a null hypothesis that posits no effect or no difference. The alternative hypothesis serves as a counterpoint to this, suggesting that there indeed is a significant difference or association. Consequently, if data analyses reveal enough evidence against the null hypothesis, researchers might accept the alternative hypothesis, concluding that the observed results are not due to random chance but rather indicate a meaningful relationship or effect.

Understanding this distinction is critical in the realm of communication research methods, as it guides how researchers interpret their findings and what conclusions they draw based on empirical evidence.