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26 July, 13:13

Think of some challenges you have faced in your current or previous employment. Summarize the problem, develop a research question, and state the null and alternative hypotheses that could be used to solve this problem. Explain whether the hypotheses are concerned with relationships between variables or differences between groups.

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  1. 26 July, 13:22
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    The criteria of the research problem in the form of null hypothesis and alternative hypothesis should be expressed as a relationship between two or more variables. The criteria is that the statements should be the one that expresses the relationship between the two or more measurable variables. The null hypothesis and alternative hypothesis should carry clear implications for testing and stating relations.

    The major differences between the null hypothesis and alternative hypothesis and the research problems are that the research problems are simple questions that cannot be tested. These two hypotheses can be tested, though.

    The null hypothesis and alternative hypothesis are required to be fragmented properly before the data collection and interpretation phase in the research. Well fragmented hypotheses indicate that the researcher has adequate knowledge in that particular area and is thus able to take the investigation further because they can use a much more systematic system. It gives direction to the researcher on his/her collection and interpretation of data.

    The null hypothesis and alternative hypothesis are useful only if they state the expected relationship between the variables or if they are consistent with the existing body of knowledge. They should be expressed as simply and concisely as possible. They are useful if they have explanatory power.

    The purpose and importance of the null hypothesis and alternative hypothesis are that they provide an approximate description of the phenomena. The purpose is to provide the researcher or an investigator with a relational statement that is directly tested in a research study. The purpose is to provide the framework for reporting the inferences of the study. The purpose is to behave as a working instrument of the theory. The purpose is to prove whether or not the test is supported, which is separated from the investigator's own values and decisions. They also provide direction to the research.

    The null hypothesis is generally denoted as H0. It states the exact opposite of what an investigator or an experimenter predicts or expects. It basically defines the statement which states that there is no exact or actual relationship between the variables.

    The alternative hypothesis is generally denoted as H1. It makes a statement that suggests or advises a potential result or an outcome that an investigator or the researcher may expect. It has been categorized into two categories: directional alternative hypothesis and non directional alternative hypothesis.

    The directional hypothesis is a kind that explains the direction of the expected findings. Sometimes this type of alternative hypothesis is developed to examine the relationship among the variables rather than a comparison between the groups.

    The non directional hypothesis is a kind that has no definite direction of the expected findings being specified.
  2. 26 July, 13:24
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    A problem that i faced in my old job was pressure from my boss at all times and a certain discomfort because this was not done in a normal way.

    A good hypothesis for this situation would be "how does job pressure affect workers mentally?"

    With this hypothesis we could understand how workers feel with an insensitive pressure for better deadlines and so on. It would also be possible to see better ways to give both positive and negative feedback, understand the importance of positive feedback and how it can change a worker's performance.
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