In a study of aggression in children, a researcher has his undergraduate research assistants watch a group of children on the playground, and record the number of instances of physical or verbal attacks. Which category of measured variable is this researcher using?a) self-report measures
b) observational measures
c) physiological measures
d) neuropsychological measures

B. observational measures

Explanation:

When using observational measures as a variable, the researchers will not interfere directly to the subjects of the study. They will watch from the side and quietly observe the interaction between variables while they naturally occurred.

This can be seen on the experiment above.

The researchers do not told the children to attack each other, or intervene when it hapepned.  They just silently observe and record the data

question 1: the kuwaiti government announced us$1.5 million in aid for rohingya refugees.they pointed out that it was imperative to take immediate and concrete steps to ramp up pressure on myanmar to put an end to the violence.and said   that they r just shameful

question 2: the rohingyas were not aloud to be seen as people in myanmar.in the last few years, before the latest crisis, thousands of rohingya were making perilous journeys out of myanmar to escape communal violence or alleged abuses by the security forces.the latest exodus began on 25 august 2017 after rohingya arsa militants launched deadly attacks on more than 30 police posts.rohingyas arriving in an area known as cox's bazaar - a district in bangladesh - say they fled after troops, backed by local buddhist mobs, responded by burning their villages and attacking and killing civilians.