25- Directios and streagth are inpertat i True False 26 Critical thinking requir

Question

25- Directios and streagth are inpertat i True False 26 Critical thinking requires malingjodgments that ure wel-reasaned and well-tbongit True False 27 Cogaitive nenroscience indndes the use of foos soch as magaetic resenance imaging AIRID and pesitron emission tomography (PET. True False 28- Double-blind stadies control only for the placebo effect True False 29 The goals of psychology are to describe, explain predict, and coatrol behavior. True False 30- Diffusion of responsibility is the tendency to feel that someone ebe is responsible for responding in acisis siteatien. True False 31- Sid is taling part in research on the effects of sleep deprivation; he has been without sleep for 75 hours. Right nom researchers have asked him to sit in fromt of a comsputer screen and hit a button each time he sees the letter S on the screen. A fer days ago, Sid was a whiz at this task; however, he is doing very poorly today. How are sleep researchers likely to explain Sid's poor performapce? - Due to the sleep deprivation, Sid does not undierstahd the task . He is determined to ruin the research because ofthe sufferin be is and ring at the hands ofthe - He is probably dreaming that he is somewbere else and bas no interest in responding to the "bere lictvaleeos are occurring due to tae sleep depriv ation and he is asleep for brief periods of time researchers and now." 32- Benzedrine, metbedrine, and Dexedrine are all . Narcotics - Depressants - Illegal Illegal Ampheramine

Explanation / Answer

25. True. The sign of the correlation coefficient measures the direction. where a positive correlation coeeficient means that increase in one variable corresponds with increase in the other variable too, and a negative one means that increase in the value of one variable corresponds to derease in the other one. The magnitude of teh number between -1 and +1 respresents the strength of the correlation.

26. True. Critical thinking is the process of conceptualizing, applying, analyzing and evaluating to reach a conclusion, and also in judgement that is based on the above cognitive processes.

27. True. Cognitive neuroscience focuses on the neural connections in the brain which are involved in mental processes. It does this using tools such as MRI and PET scans.

28. False. Though one of major purpose if this study is to control the placebo effect, it is also used to prevent researcher bias, where he may subconsciously tip off the patients.

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