Research methods Flashcards

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1
Q

What is a hypothesis?

A

A hypothesis is a precise testable statement of what the researchers predict will be the outcome of the study. It is stated at the start of the study

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2
Q

What is the alternative hypothesis

A

It is the hypothesis that states there is a relationship between the variables being studied (one variable has an effect on the other.

It states that the results are not due to chance and that they are significant.

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3
Q

What is the null hypotheisis

A

The hull hypothesis states that there is on relationship between the 2 variables being studied

It states results are due to chance and are not significant.

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4
Q

What is a 2 tailed hypothesis.

A

It is a hypothesis that predicts that the independent variable will have an effect on the dependant variable but the direction is not specified.

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5
Q

what is a one tailed hypothesis

A

a one tailed hypothesis predicts the nature of the effect on the IV on the DV it predicts in which direction the change will take place e.g. greater, smaller, less, more.

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6
Q

What is generalisability

A

It refers to the extent to which we can apply the findings of our research to the target population.

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7
Q

What is a biased sample

A

A biased sample is when certain groups are over or under represented in the sample selected.

For example if only males are selected in a study it may be a biased sample.

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8
Q

What is random sampling

A

A sample where every member of a population has an equal chance of being selected.

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