Describe the colonial economic structure of Africa

Running and sleep. sufficient sleep is important for adolescents for both their neural and psychological development. despite this, daytıme sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. there is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning sixty participants were recruited from a high school in northwesten switzerlandthey were randomly assigned to either a running group or a control group, 30 to each group the running group ran every moming for a little over 30 minutes on weekdays for a three-week period. all participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. running was found to have a positive impact on both objective and subjective measures of sleep functioning what are the explanatory variable(s) and the response variable(s)? (a) outline the design of the experiment (b) (c) here are some more details on the treatment and control groups. all participants arrived at school at 7 a. m., and the running group did two laps on the track and then ran cross countrv in groups of at least four people for 30 minutes the control group remained seated at the track, worked on horpework. and interacted with each other. when the runners returned, all participants prepared for school and ate a breaktast that was provided. iwhy do you think the experimenters had the control group arrive at 7 am interact withdassmates and have breaktast together? explain. do you think having the control eroup do these activities is important for the types of conclusion that can be reached? how?

In the united states, the percentage of children and adolescents affected by obesity has more than tripled since the data from 2015-2016 show that nearly 20% (1 in 5) school age children and young people (6 to 19 years) in the united states has obesity. this is do in part to the fact that younger people consume beverages containing high levels of sugar and products containing high levels of fat. consuming too many calories and not enough exercise are also issues. as a well known industry consultant you know many of the beverage industry executives. you are approached by a coke executive who tells you that someone from coke is unofficially willing to sell pepsi the coke formula and the coke marketing plan for $25 million. the individual has access to both the vault and the bottling equipment so they can get the formula and marketing documents with nobody at the coca cola company knowing. imagine you are a marketing consultant. discuss fully your concerns. what is the ethical dilemma? is it illegal to purchase the coke formula and marketing plan? explain fully your point of view. furthermore, what would you tell the executives regarding childhood obesity?

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude