Term
| What is a longitudinal study? |
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Definition
| A study that takes place over a long period of time. They can last several decades |
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Term
| How are longitudinal studies carried out? |
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Definition
| Data is collected at the start of the study and repeatedly throughout. |
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Term
| What is an example of a longitudinal study? |
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Definition
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Term
| What types of data can be collected by longitudinal studies? |
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Definition
| Qualitative and quantitative |
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Term
| Why are longitudinal studies so useful in child psychology? |
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Definition
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Term
| Why do longitudinal studies have high control over participant variables? |
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Definition
| The participants stay the same |
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Term
| Why can longitudinal studies obtain good cause and effect conclusions? |
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Definition
| Only the participant's age changes, so better conclusions can be drawn than if the participants changed |
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Term
| Why might cause and effect conclusions not be valid? |
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Definition
| Many variables can change over time |
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Term
| Why are longitudinal studies not valid? |
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Definition
| They are hard to repeat because they are so time consuming and expensive |
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Term
| Why are longitudinal studies not generalisable? |
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Definition
| They usually have a small sample size |
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Term
| Why might the sample of a longitudinal study shrink? |
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Definition
| People may drop out for various reasons, eg money |
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