Aims and Hypotheses

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Aims and Hypotheses

Use the following links to help you answer the quiz- this must be completed before the lesson: Video 1- Aims and Video 2- Hypotheses

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Record my email address with my response

What is a null hypothesis? *

1 point

Predicts there will be no significant difference between two sets of data

Predicts the difference will be negative

A hypothesis you use if you don't want to use a statistical test

Another name for the experimental hypothesis- this can be one-tailed or two-tailed

Other:

How is an aim and hypothesis different? *

1 point

A hypothesis is what you don't think will happen

Only a hypothesis can be written as a question

A hypothesis is a statement about what you believe to be true

An aim is more precise

What is the best definition of an aim? *

1 point

A precise statement or question of what the researcher intends to investigate

A general statement of what you're going to do

A theory of what the researcher thinks is likely to happen

What you want to do in your experiment

When would you use a non-directional hypothesis? *

1 point

When there is previous research to indicate the direction of the results

When you aren't looking at which direction the results will go

When there is no previous research to indicate the direction of the results

When you can't agree with your co-researcher as to what will happen

Other:

What is a directional hypothesis? *

2 points

A one-tailed hypothesis

A two-tailed hypothesis

Predicts the direction of the results

Does not predict the direction of the results

Which of these is an aim? *

1 point

"To test the theory that memory will improve when you have more sleep"

"There will be significant difference between the amount of words recalled when someone has poor sleep vs when they have good sleep"

"There will be no significant difference between the amount of words recalled when someone has poor sleep vs when they have good sleep"

"To test the theory that memory is affected by amount of sleep"

Which of these is the best definition of a hypothesis? *

1 point

A precise testable statement of what the researchers expect to find

A general statement of what you're going to do

A theory of what the researcher thinks is likely to happen

What you want to do in your experiment

What is a non-directional hypothesis? *

2 points

A one-tailed hypothesis

A two-tailed hypothesis

Predicts the direction of the results

Does not predict the direction of the results

When would you use a directional hypothesis? *

1 point

When you aren't looking at which direction the results will go

When you can't agree with your co-researcher as to what will happen

When there is no previous research to indicate the direction of the results

When there is previous research to indicate the direction of the results

Other:

What is the alternative hypothesis? *

1 point

Predicts there will be no significant difference between two sets of data

Predicts the difference will be negative

A hypothesis you use if you don't want to use a statistical test

Another name for the experimental hypothesis- this can be one-tailed or two-tailed

Other:

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