# Alternative Hypothesis

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## Alternative Hypothesis

A hypothesis the tester wishes to prove. When testing a hypothesis, a scientist often begins with an alternative hypothesis and a null hypothesis, which cannot be true. He/she then attempts to prove the alternative hypothesis, often by trying to prove the null hypothesis false.
References in periodicals archive ?
The fifth diagnostic is the cross sectional autocorrelation test also called cross sectional dependence, the null hypothesis is that the cross sections are independent and the alternative hypothesis is that the cross sectionals are dependent.
2) A table which depicts the mean of [chi square]/df and RMSEA for the Andersen' LR test and the S statistic in the alternative hypothesis condition (with eight DIF items) for different sample sizes and test lengths can be obtained from the authors.
According to Neyman-Pearson principle, if the size of type I error a is fixed, type II error [beta] is naturally associated with the alternative hypothesis [H.
Under the alternative hypothesis (and using the definition of weak dominance proposed above), at least one firm has an edge in winning a contract, that is, a greater than fifty percent chance of winning.
If the causal association is focused on intrinsic personality features of the affected vaccinees, this confrontation tends to arise because the community does not have a satisfactory alternative hypothesis, or one better than the current association with the vaccine; this mistrust reinforces misperceptions.
In model (2), the maintained null hypothesis is that [delta] = 0 against the alternative hypothesis of [delta] < 0.
From the null hypothesis, a contrasting alternative hypothesis is constructed which equates to "difference.
Consequently, an alternative hypothesis is that an age-related decline in testosterone contributes to the atherosclerotic process.
05, we reject the null hypothesis and accept the alternative hypothesis or if the calculated value is greater than the tabulated value we reject the null hypothesis and accept the alternative hypothesis and vice versa.
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