Some threats to internal validity are related to time and other threats are related to differences between groups. What is a threat related to time? A. selection bias B. history effects O C....

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Extracted text: Some threats to internal validity are related to time and other threats are related to differences between groups. What is a threat related to time? A. selection bias B. history effects O C. assignment bias O D. differential attrition Reset Selection Mark for Review What's This? Previous Next Save 7.820 MAR étv 4 ... F12 F6 F7 F8 F9 F10 F2 F4 F5 %23 %24 % & * 3 4 6. 7

Jun 08, 2022

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Some threats to internal validity are related to time and other threats are related to differences between groups. What is a threat related to time? A. selection bias B. history effects O C....

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