Answer:
In 1821, Mexico won its independence from Spain. The leaders of Mexico and the United States met to talk about American settlers moving into the area of Texas.
Sample are the characteristics of the individuals of the population being studied
True is the correct answer to this question
Answer:
Ecological Validity
Explanation:
According to my research on different research methodology, I can say that based on the information provided within the question this study is lacking in Ecological Validity. This refers to to the extent to which the findings of a research study are able to be generalized to real-life settings. This is because like mentioned in the question this study is addressing a situation that does not happen in everyday life therefore it cannot be generalized to a real-life settings.
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Adolescent egocentrism is a term that David Elkind used to describe the phenomenon of adolescents' inability to distinguish between their perception of what others think about them and what people actually think in reality.[1] David Elkind's theory on adolescent egocentrism is drawn from Piaget's theory on cognitive developmental stages, which argues that formal operations enable adolescents to construct imaginary situations and abstract thinking.[2]
Accordingly, adolescents are able to conceptualize their own thoughts and conceive of other people's thoughts.[1] However, Elkind pointed out that adolescents tend to focus mostly on their own perceptions – especially on their behaviors and appearance – because of the "physiological metamorphosis" they experience during this period. This leads to adolescents' belief that other people are as attentive to their behaviors and appearance as they are of themselves.[1] According to Elkind, adolescent egocentrism results in two consequential mental constructions, namely imaginary audience and personal fable.