Apositron emission tomography study that was featured in the focus on neuroscience box "the mysterious placebo effect" demonstrated that a placebo painkiller:

Which of the following starements is true based on the above information?

An experimenter is examining the relationship between age and self-disclosure. a large sample of participants that are 25 to 35 years old and participants that are 65 to 75 years old are compared, and significant differences are found with younger participants disclosing much more than older people. the researcher reports an effect size of .34. what does this mean

What is the greatest challenge to the palestinian authority government in israel? a) territorial size b) lack of citizen participation c) disputes among parties d)threats from arab forces