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 findings of the current study corroborate the earlier findings as Reid (2005) explained that these IMC components significantly affect the outcomes of the brand and furthermore he provided a logical support towards the proposed alternative hypotheses of the study.
Effect of integrated marketing communication components on brand awareness and customer loyalty in beverage sector
The following null and alternative hypotheses are considered:
System Model Bias Processing Approach for Regional Coordinated States Information Involved Filtering
In the penultimate section of this paper, we discuss the performance of our test statistic under alternative hypotheses that deviate from the Gaussian null hypothesis including alternatives distributions that are asymptotically tail independent and thereby exclude systemic risk.
Testing for systemic risk using stock returns
As such, there are multiple possible alternative hypotheses, including the following:
Dominance thresholds: a cautionary note
The test includes the two breaks under both the null and the alternative hypotheses, and the rejection of the null unambiguously implies stationarity.
The global financial crisis and stochastic convergence in the Euro area
This is also related to Donald Campbell's dictum to consider plausible alternative hypotheses; most people connect this with his work on internal validity of research designs, but it applies more broadly to the entire research process.
An interview with David rindskopf: a leading voice on teaching statistics and methodology
For evaluation and explanation factors P>0.05 so null and alternative hypotheses would be confirmed and rejected respectively showing research hypothesis rejection for these two factors.
Analysis of LIS research articles 1997-2007: critical thinking, gender, and education
"One of the alternative hypotheses in these cases is that the change in behavior is a side effect of infection, not something the fungus 'actively' does to the host," says behavioral physiologist Shelley Adamo of Dalhousie University in Halifax, Canada.
Lunchtime of the living dead: zombie ants usually take fatal bites around noon
All null and alternative hypotheses are tested with regard to both the fixed and random models.
Technology diffusion and economic growth: controlling for sector productivities and absorptive capacity
The papers and accompanying discussions in this volume address how heterogeneous beliefs interact with equilibrium leverage and potentially lead to leverage cycles, the validity of alternative hypotheses about the reason for the recent increase in foreclosures on residential mortgages, the credit rating crisis, quantitative implications for the evolution of the U.S.
NBER macroeconomics annual 2009, volume 24
Concepts like Type I errors, one-tailed or two-tailed alternative hypotheses, and p value must be defined and related to specific examples.
Using a five-step procedure for inferential statistical analyses
First we state the research, null, and alternative hypotheses and the significance level required to reject the null hypothesis with 90% confidence.
Research design, hypothesis testing, and sampling
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