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Health, 11.10.2019 00:00 ssuereichard
Jeremy is testing if certain levels of a new experimental drug he designed can improve immune functioning. he recruits participants for a clinical trial and randomly assigns them to either a treatment group, in which they receive the drug, or a control where they receive a placebo. after several weeks, he measures the differences between the groups’ immune functioning via blood test. jeremy announces that the drug group had better immune functioning after the trial and claims that his drug was effective. though the immune functioning between groups was different, that difference was not statistically significant. assuming that jeremy’s drug is effective, which type of validity might be insufficient for this study?
a. statisticalb. internalc. externald. construct
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