Construction superintendent Justin Clark had just been transferred to Saudi Arabia to supervise the building of new state-of-the-air oil rigs for the Saudi government. The long-term assignment was to last for four years, so Justin's family accompanied him. Due to the cultural differences regarding the freedom of women in Saudi Arabia, his wife, Lorna, was experiencing some difficulty in adjusting to her new home. Upon moving into their rented house, they discovered several things that needed repair. The landlord, very happy to have rented the house on such a long-term lease, was very prompt in responding to their request for repairs. However, when he arrived, Justin was not home, and the landlord entered without speaking or acknowledging Lorna's presence. The repairs proceeded under the landlord's supervision. Lorna was insulted and felt that the landlord's behavior was rude and disrespectful. Since she was the one home at the time, she thought the landlord should have discussed the repairs with her. Obviously, this is a cultural clash caused by

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?

1.3.3 quiz: primary and secondary sourcesquestion 4 of 102 pointsa secondary source is reliable and credible if the person who created thesource is an expert on the topic, is educated and respected in the field ofstudy, and:

How does the author's discussion of schroeder's study contribute to the development of ideas about how children react to mistakes?