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Answer:
d.clearer picture of a phenomenon than single experiments observed in isolation
Explanation:
Meta analysis is a statistical analysis that brings together results from different scientific research to make "clearer" estimates which are more closer to the unknown results than each of the individual scientific experiments. Meta analysis is usually conducted when there are several scientific studies researching or bordering on one question. Each scientific result is addressed under meta analysis in consideration of the estimated degree of error of each of them.
the right answer is: that educating adolescents about how to make better choices to avoid the consequences of risky behaviors does not reduce the number of risky behaviors committed by adolescents.
Because according to studies on the peer influence of adolescents and decision making says that moving past research center investigations of age contrasts in "cool" psychological procedures identified with hazard discernment and thinking, new methodologies have moved concentration to the impact of social and enthusiastic factors on immature neurocognition. When teenagers invest an expanding measure of energy with their companions, explore recommends that peer-related boosts may sharpen the reward framework to react to the reward estimation of dangerous conduct. As the intellectual control framework step by step develops through the span of the high school years, teenagers develop in their ability to facilitate influence and insight, and to practice self-direction even insincerely stimulating circumstances. These limits are reflected in progressive development in the ability to oppose peer impact.