A pedestrian may walk against traffic (on the left side of the road), if there aren't sidewalks.
<h3>What is a traffic rule?</h3>
A traffic rule can be defined as an accepted and enforceable law or guideline established by a road safety agency, so as to give warnings and instructions to road users such as:
In accordance with national traffic rules and regulations, a pedestrian is permitted by law to walk against traffic, especially on the left side of the road) if there aren't sidewalks.
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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:
C
Explanation:
The two z angles form a 90° angle so one z angle would be 45°
