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Two-tailed directional. A two-tailed directional alternative hypothesis is concerned with both regions of rejection of the sampling distribution. Non-directional. A non-directional alternative hypothesis is not concerned with either region of rejection; rather, it is only concerned that null hypothesis is not true.
The bi-directional hypothesis of language and action proposes that the sensorimotor and language comprehension areas of the brain exert reciprocal influence over one another. [1] This hypothesis argues that areas of the brain involved in movement and sensation, as well as movement itself, influence cognitive processes such as language ...
ERP was particularly beneficial in helping the researchers to investigate the bi-directional hypothesis of action-sentence comprehension, which proposes that language processing facilitates movement and movement also facilitates language comprehension. In the study participants listened to sentences describing an action that involved an open ...
A two-tailed test applied to the normal distribution. A one-tailed test, showing the p-value as the size of one tail.. In statistical significance testing, a one-tailed test and a two-tailed test are alternative ways of computing the statistical significance of a parameter inferred from a data set, in terms of a test statistic.
When theory is only capable of predicting the sign of a relationship, a directional (one-sided) hypothesis test can be configured so that only a statistically significant result supports theory. This form of theory appraisal is the most heavily criticized application of hypothesis testing.
The hypothesis of Andreas Cellarius, showing the planetary motions in eccentric and epicyclical orbits. A hypothesis (pl.: hypotheses) is a proposed explanation for a phenomenon. A scientific hypothesis must be based on observations and make a testable and reproducible prediction about reality, in a process beginning with an educated guess or ...
The sensory drive hypothesis is a hypothesis in population ecology that posits that when local environmental conditions differ between conspecific populations, communication systems will adapt to these conditions. [1] Sensory drive predicts that both communication signals and perceptual systems will adapt to these local environmental conditions.
The hypothesis is not universally applicable, with some rare counterexamples appearing in unusual circumstances. The unidirectionality hypothesis does not claim that linguistic change will occur in any particular instance, only that if it does occur, it will be in the direction of lexical word to grammatical word and not the other way around.