Robert's teacher, Martha, has complained about his behavior on several occasions. According to Martha, Robert cannot focus in class and is constantly distracted. She also mentioned that Robert is extremely active and very impulsive by nature. If Robert were to be taken by his teacher to Dr. Miller, a psychiatrist, he is likely to be diagnosed with:.a) attention-deficit/hyperactivity disorder.
b) borderline personality disorder.
c) autism spectrum disorder.
d) mild neurocognitive impairment.

During the 1500s,most rulers supported established a. political systems. d. none of the above b. churches c. freedom of speech

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

In 1914, alabama produced 1.7 million bales of cotton, but three years later produced only 515,000, bales. meanwhile, in georgia, 5.2 million acres of land was dedicated for cotton production in 1914, but by 1923 there were just 2.6 million acres used for growing cotton. all of this was the result of the work of a tiny insect: the boll weevil. alabama and georgia first felt the effects of the boll weevil at different times. what would account for this difference in timing? a) the infestation moved from west to east. b) the infestation moved from east to west. c) georgia had better ways to deal with the problem. d) alabama was further from the insect's point of origin.