The technique to improve internal validity is D) Addition of a control group.
<h3>What is
internal validity?</h3>
Internal validity serves as the study which bring about the establishment of a trustworthy cause-and-effect relationship that can be found in treatment and an outcome.
it should be noted that Internal validity also helps to eliminate alternative explanations , hence, The technique to improve internal validity is D) Addition of a control group.
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COMPLETE QUESTOIN:
Which of the following is a technique to improve internal validity ____________?
A) Experimenter expectancy
B) Participant bias
C) Use of a confederate
D) Addition of a control group
Answer:
You would find papers in Un escritorio (desk)
Chalk in una pizarra (blackboard)
Writing in un cuaderno (journal)
Items in una mochila (bag)
Numbers/ the time on un reloj (clock)
Food that has been prepared or handled should never be placed on the sales floor before it has been properly chilled to ensure the internal temperature is 10° (51°F) or less. It is important to avoid contamination.
It is important to have into account that the higher the temperatures; the faster food will decompose.
Pathogenic microorganisms (such as fungi and bacteria) can reproduce and grow at temperatures as low as 40°F.
The foods may deteriorate even in absence of noticeable modifications in odor, appearance and/or taste.
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