Biological Practical Flashcards

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1
Q

What was the aim of the practical?

A

To test whether exposure to testosterone in the womb had a relationship with aggression levels.

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2
Q

What was the hypothesis for the practical?

A

There will be a correlation between 2d:4d digit ratio and aggression levels.

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3
Q

What was the procedure of the practical?

A

-measure aggression score using question age out of 12.
-measure 2d:4d digit ratio using a riler(in mm).
-analyse data using a spearman’s rank test.

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4
Q

What was the correlation co-efficient result? Was it significant? What does this mean?

A

-0.42
-not significant as is lower than the critical value so not a significant correlation between two co-variables.

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5
Q

What was the conclusion to the practical?

A

No relationship between 2d:4d digit ratio and aggression levels.

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6
Q

What is a strength of the practical in terms of generalisability?

A

Uses all genders so not representive

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7
Q

What is a strength in terms of reliability?

A

Is a standardised procedure (e.g: questionnaire) so easy to repeat and more reliable.

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8
Q

What is weakness in terms of generalisability?

A

Lots have shared characteristics(all form NE if England in college) so less representative.
-used opportunity sampling so more shared characteristics.
-ethnocentric sample as all from the UK.

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9
Q

What is a weakness in terms of validity?

A

-social desirability when answering questionnaire as aggression is a sensitive topic.
-questionnaires are subjective as a self-report method

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10
Q

What is a weakness in terms of ethics?

A

Protection for harm not kept as aggression may be uncomfortable and may cause psychological distress for participant.

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