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Author Question: The researcher is studying an intervention designed to reduce job stress in emergency department ... (Read 68 times)

WhattoUnderstand

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on: Jul 8, 2018
The researcher is studying an intervention designed to reduce job stress in emergency department nurses. Just before the study data collection was to start, an emergency department nurse was killed in the line of duty by a mentally deranged patient. What potential threat to the internal validity of the study does this occurrence pose?
 
  1. Selection bias
  2. History
  3. Testing
  4. Maturation

Question 2

Which threat to external validity is controlled for in a double-blind experimental study?
 
  1. Rosenthal effect
  2. Hawthorne effect
  3. Experimenter effect
  4. Measurement effect
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welcom1000

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Reply #1 on: Jul 8, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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WhattoUnderstand

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Reply 2 on: Jul 8, 2018
Excellent

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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