## Bi-directional hypothesis of language and action - …

### What is directional hypothesis? | Yahoo Answers

DEVELOPING HYPOTHESES & **RESEARCH** QUESTIONS Introduction Processes involved before formulating the hypotheses. Definition Nature of **Hypothesis**

### DIRECTIONAL HYPOTHESIS - Psychology Dictionary

Provided Example Of A Hypothesis In A Research Paper by Tutoring Services 3 **Writing a Formal Research Paper** Reviewed Fall 2014 Title Page This is the first page of the **paper** and follows APA format guidelines

The inferential statistics do not directly address the testable statement (research hypothesis). They address the . Statistically, we test "not." Here are the null hypotheses:

## Hypotheses: directional and non-directional

When we pose a research question, we want to know whether the outcome is due to the treatment (independent variable) or due to chance (in which case our treatment is probably not effective). For example, the claim that tutoring improves math performance generally does not predict exactly how much improvement. Each level of improvement has a different probability associated with it, and it would take a long time and a great deal of effort to specify the probability of each of the possible outcomes that would support our research hypothesis.

## T-test:Use in directional vs. nondirectional hypothesis test

On the other hand, the null hypothesis is straightforward -- what is the probability that our treated and untreated samples are from the same population (that the treatment or predictor has no effect)? There is only one set of statistical probabilities -- calculation of chance effects. Instead of directly testing H, we test H. If we can reject H, (and factors are under control), we can accept H. To put it another way, the fate of the research hypothesis depends upon what happens to H.

## Directional-non-directional hypotheses - Experts Mind

DEVELOPING HYPOTHESES & **RESEARCH** QUESTIONS Introduction Processes involved before formulating the hypotheses. Definition Nature of **Hypothesis**