Answer: Artifacts
Explanation:
Artifacts are the components that are disrupt the external validity or internal validity of result in any research.Artifacts tend to modify or change the authenticity of participant and equipment involved in research field with their presence.
Impact of artifacts can also be influential to understand the process through observing evidences. They impact evidences, documents,tools, equipment, etc.
Answer:
Union-<em> William T. Sherman</em>
The correct answer would be Omission.
Indeed, if the person who failed to act had the legal duties to do it (like a police officer or a doctor). This is considered a crime of omission since there was <em>mens rea</em> (guilty mind in Latin); meaning that the offender knew that failure to act despite his established duty would result in injury to the other party.
Answer: B) Scaffolding
Explanation:
Scaffolding is defined as educating technique in which a person is made to learn a process by moderately shedding the external help and support. It can be used for solving academic problems,learning any process, building, driving etc.
According to the question, Janet's father is using scaffolding technique to teach bicycle riding to Janet.He is withdrawing his assistance at gradual times to let her learn on her own and help her at the time if she finds any difficulty in riding.
Other options are incorrect because fast mapping is learning about new things by low exposure. Rehearsal is practicing things through repeating the act.Contrast assumptions are one label persisting assumptions.Thus, the correct option is option(B).
