Definitely not Levi's experiment

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What is internal validity?

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Internal validity refers to the extent to which a study can establish a causal relationship between the treatment and the outcome, free from confounding variables.

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What is random assignment in experiments?

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Random assignment is the process of assigning participants to different groups in a study using randomization, which helps to ensure that each group is similar at the start of the experiment.

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What is selection bias?

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Selection bias occurs when the participants included in a study are not representative of the larger population, potentially skewing the results.

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What is a delayed treatment model?

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A delayed treatment model is an experimental design where one group receives the treatment after a certain period, allowing researchers to compare outcomes between those who received treatment and those who did not.

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What are social interaction threats to internal validity?

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Social interaction threats occur when participants' behavior is influenced by their interactions with each other, potentially affecting the study's outcomes.

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What is a pre-test/post-test design?

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A pre-test/post-test design involves measuring participants' outcomes before and after a treatment to assess its effectiveness.

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What is the significance of ethical considerations in research?

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Ethical considerations ensure that research is conducted responsibly, protecting participants' rights and well-being while balancing the pursuit of knowledge.

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What does it mean to measure differences in scores?

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Measuring differences in scores involves comparing the performance of participants across different conditions or time points to assess the impact of an intervention.

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What is the role of hypotheses in experiments?

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Hypotheses are testable predictions about the relationship between variables, guiding the research design and analysis.

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What is the difference between African and European swallows?

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The difference between African and European swallows is often humorously referenced in discussions about air speed velocity, highlighting the importance of context in scientific inquiry.