Mary was teased at her old school when she tried to participate in sports so she decided not to play sports at her new school to avoid being teased. This is an example of which psychological approach? behaviorism
psychoanalysis
humanism
cognitive

Minute vessels that collect blood from the capillaries and join to form veins are: venoles venules viscera venoids

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.

Cancer is 100% preventable if you follow all the necessary healthy behaviors. true or false