Professor Sanchez is interested in studying development of motor skills. She collects data from 200 one-year-olds and follows an
d assesses them for a period of five years. What type of research design is Professor Sanchez using?A. CohortB. LongitudinalC. CorrelationalD. Cross-sectional
Longitudinal research is carried under the same conditions, over the same subjects over different periods of time. It's especially useful for examining behavioral data. However, the most significant disadvantage is that they are time-consuming and might be expensive. Moreover, the subjects might not even continue participating in the research.
<h2>The following are the items that describe presidential responsibilities:
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<u>Recommending legislation to Congress:</u> The President can not only recommend legislation to Congress, but in certain cases he is bound by law to make the required recommendation. Although, he is not obliged for the implementation of the recommendation given.
<u>Appointing Supreme Court Justices when vacancies arise</u><u>: </u>The Constitution of the United States gives the President the right to appoint and administer an oath to the Chief Justice and other subordinate justices of the Supreme Court.
<u>Appointing ambassadors to foreign countries:</u> Diplomacy and the allied subjects are the responsibility of the president. Hence, the president has the power to appoint ambassadors to other countries.
<u>Planning strategies for the armed forces: </u>The President serves as the supreme commander of all the three defense services. Hence, he plans the strategies for all three on the advice of the heads of the services.
<u>Making treaties with foreign nations: </u>The United States Constitution grants the President the powers to make binding treaties with other nations.