QuestionMay 26, 2025

Identify common threats to internal validity. (Select all that apply.) Selection History Replication Maturation Mortality

Identify common threats to internal validity. (Select all that apply.) Selection History Replication Maturation Mortality
Identify common threats to internal validity. (Select all that apply.)
Selection
History
Replication
Maturation
Mortality

Solution
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Answer

Selection, History, Maturation, Mortality Explanation Internal validity refers to the extent to which a study can establish a causal relationship between variables. Common threats include selection bias (differences in groups), history (external events affecting results), maturation (changes over time), and mortality (loss of participants). Replication is not a threat but rather a method to confirm findings.

Explanation

Internal validity refers to the extent to which a study can establish a causal relationship between variables. Common threats include selection bias (differences in groups), history (external events affecting results), maturation (changes over time), and mortality (loss of participants). Replication is not a threat but rather a method to confirm findings.
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