A statistical hypothesis is an examination of a portion of a population.

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A good hypothesis statement should:

Broken down again into English, that’s H0 (The null hypothesis): μ (the average) ≤ (is less than or equal to) 8.2

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That’s How to State the Null Hypothesis!

State the null hypothesis. In this case, the null hypothesis is that the population mean is 18.9, so we write:
H0: μ = 18.9

Broken down into English, that’s H0 (The null hypothesis): μ (the average) = (is equal to) 8.2

Applying the principles of positive emotional plasticity to rewiring the stress response is a novel intervention that merits further evaluation. Stress-processing circuitry is formed early in life or during periods of trauma, and stored in implicit memory systems. Excessive and, especially, inappropriate activation of the stress circuitry strengthens maladaptive circuits and can lead to persistent maladaptive (allostatic) brain states. We hypothesize that with the recognition that dominant neurocircuitry can lead to persistent brain states, a new approach can be utilized for health care treatment of stress-related symptoms and diseases. Potentially, providing an indi-vidual with the skills to reconsolidate those stress citcuits, and thus decrease or reverse allostatic load, may improve health and well-being. Therefore, we propose a new paradigm for health care – focusing on rewiring the stress response in favor of adaptive neuroplasticity

I’m stuck on how to value the null or alternative hypotheses

I’m not sure what your question is. You list quite a few (identify null, alternate, test status, p-value or critical). Are you having trouble identifying the null and alternate hypotheses? Or is it that you don’t know what test to run?
BTW: both the critical value and p-value will give you the same results. I’d just choose one and go from there.

Im having a hard time answer a problem. The genetics and IV I situate conduct a clinical trial of the YOSORT method designed to increase the probability of a boy and 239 of them were Boyd’s. Use a 0.01 significance level to test the claim that the YOSORT method is effective in increasing the like hood that a baby will be a boy . I have to identify the null hypothesis, alternative hypothesis, test status is, p-value or critical value .

the research hypothesis is rejected when it is true d.

Concept 3: Brain states become persistant
An occasional, brief experience of brain state in fight or flight (brain state 5) is not concerning and it can be adaptive (depending on the circumstances). However, allostatic states tend to become persistent. They are positive feedback loops, with each triggering and arousing other circuits as the brain stores memories in a state-specific way (35). This makes access to memories of similar circumstances more easily accessible in response to similar experiences (22).

Knowing which specific symptom is involved is important in prescribing the most effective pharmacologic treatment. However, since the allostatic circuitry is not modified, the onset of another maladaptive emotional stress symptom, different from the original, may occur. Identifying the problem as a brain state of stress as opposed to just an emotional symptom of stress, may reframe the treatment plan from treating the symptoms to treating the underlying brain state, thus, reducing the risk of symptom substitution.

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  • One can never prove the truth of a statistical (null) hypothesis.

    This is smaller than our alpha value of .05. That means we should reject the null hypothesis.

  • How to Plan and Write a Testable Hypothesis - wikiHow

    The following statement shows the division of the border tribes into Gar and Samil:

  • Hypothesis Testing - Statistics How To

    Test the null hypothesis that the new ball does not improve a bowler's average at the 5% level of significance.

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Hypothesis | Definition of Hypothesis by Merriam …

Concept 2: Wiring triggers brain states
To promote the survival of the species, the brain has evolved into an organized hierarchy, which includes the simple, quick, regulatory functioning of the reptilian brain, the emotional arousal and fear-generating limbic brain and the slower, complex and analytical neocortical brain (36-37). In response to the activation of self-regulatory circuitry, the brain establishes a state in which a specific brain area becomes dominant (38). The actual number of brain states is not known. However, based on observed phenomena in EBT (consistent with the work of Perry investigating the effects of trauma (39)) there are at least five distinct brain states (see Figure 1).

science fair project - how to write a hypothesis

We hypothesize that the self-regulatory circuitry that responds to stress and reflects potentiation involves three phases: 1) quick sub-cortical processing phase (responses of the HPA and SMA axes), which is non-specific, evolutionarily based and primarily emotive (based in fear) (34); 2) cortical/cognitive processing of emotions into conscious feelings based on expectations and past experiences – the second phase concludes with the identification of needs; 3) generation of thoughts and actions to marshal a corrective response to meet those perceived needs. The process, if adaptive, returns the person to a state of well-being.

13/09/2016 · How to Write a Hypothesis

Traditional testing (the type you probably came across in elementary stats or AP stats) is called Non-Bayesian. It is how often an outcome happens over repeated runs of the experiment. It’s an objective view of whether an experiment is repeatable.
Bayesian hypothesis testing is a subjective view of the same thing. It takes into account how much faith you have in your results. In other words, would you wager money on the outcome of your experiment?

Hypothesis | Definition of Hypothesis by Merriam-Webster

It’s good science to let people know if your study results are solid, or if they could have happened by chance. The usual way of doing this is to test your results with a . A p value is a number that you get by running a hypothesis test on your data. A P value of 0.05 (5%) or less is usually enough to claim that your results are repeatable. However, there’s another way to test the validity of your results: Bayesian Hypothesis testing. This type of testing gives you another way to test the strength of your results.

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