<span>The threat to internal validity is the Mortality. Internal
validity is the measure in which the causality of the stimuli studied
is analyzed, that is, if the results of the study are due to the
interaction of the variables analyzed or are due to the interaction with
other variables. <span>Mortality is an error that occurs if the
conclusions of the study are made only on the basis of the participants
who were from beginning to end in the investigation, without taking into
account those who left the study.
I hope my answer can help you.
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Answer:
because it helped with transportation and trade
Explanation:
Piaget stressed that young adults are more quantitatively advanced in their thinking than adolescents in the sense that <u>the young adults have more knowledge than the adolescents.</u>
Jean Piaget came up with his Cognitive Development theory where he mentions that children grow through four stages of learning, each one different from the other. His theory also lays emphasis on understanding the nature of intelligence.
The four stages that Piaget talks about are: sensorimotor stage, preoperational stage, concrete operational stage and formal operational stage. His observations were based on his conclusion that children take an active role in their learning process, happening through their understanding of the environment.
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Answer:
Statement of CBN Core Mandate
ensure monetary and price stability; issue legal tender currency in Nigeria; maintain external reserves to safeguard the international value of the legal tender currency; promote a sound financial system in Nigeria; and.