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CH - Y12 - BTEC B > U2: Aims and hypothesis > Flashcards

U2: Aims and hypothesis Flashcards

Define the key terms

1
Q

What is meant by Aim?

A

A general statement of what the researcher intends to investigate.

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2
Q

How does an aim start?

A

Always begins with “The aim is to investigate…”.

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3
Q

What is meant by hypothesis?

A

A specific and testable statement in which the researcher predicts the outcome of the study before conducting the research.

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4
Q

What are the 3 types of hypotheses?

A

Null, directional non-directional

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5
Q

What is a null hypothesis?

A

Predicts that there will be no significant difference between variables.

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6
Q

What is a directional hypothesis?

A

Specifies the expected direction of the difference or relationship between variables.

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7
Q

Give an example of an aim for a study on red bull and memory

A

To investigate the effect of red bull on memory recall

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8
Q

Give an example of a directional hypothesis for a study on red bull and the recall of 10 words

A

There will be significantly more words recalled out of ten when participants drink red bull to those who didn’t drink red bull.

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9
Q

When is a directional hypothesis use?

A

All past research has shown
Most past research has shown
Previous research has shown
THE PREVIOUS RESEARCH HAS SHOWN THE DIRECTION THE RESULTS WILL GO IN

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10
Q

What is a non-directional hypothesis?

A

Indicates a difference between conditions without specifying the direction.

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11
Q

Give an example of a non-directional hypothesis for a study on red bull and the recall of 10 words

A

There will be a significant difference in the number of words recalled out of ten when participants drink red bull to those who didn’t drink red bull.

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12
Q

What is meant by operationalisation?

A

Defining variables precisely so they can be measured.

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13
Q

What is meant by standardisation?

A

Keeping conditions consistent to ensure participants have the same experience.

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14
Q

When are non-directional hypothesis used

A

New area of research
Limited previous research
Previous research findings have been mixed
THERE IS NO PREVIOUS RESEARCH TO PREDICT THE DIRECTION THE RESULTS WILL GO IN

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15
Q

What is the difference between directional and non-directional hypothesis?

A

Directional: states a direction the results will go in
Non-directional: states there will be a difference but will not be specific

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CH - Y12 - BTEC B (22 decks)

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