Why was british prime minister margaret thatcher called the "iron lady". give explanation, or else . . xd a.) because she had a steel plate inserted in her head b.) because she strongly opposed commuism c.) because she had come from an iron region in wales d.) because she was the first women to serve as british prime minister. *note: don't guess. i understand that guessing "would seem" to be alot easier, but i really need on this! (if you answer first (with right asnswer)) . . you get a "" on your answer. i will " you" on your profile. you will get brainliest, and (5) star, and many more.! xd

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?

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm. yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation. no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study. no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.

The long english tradition of figured prominently in the founding fathers' discussion of the ownership of firearms. a) police squads b) target practice c) aristocratic rifle associations d) militias