How the Win-Lose Paradigm involves high courage and low consideration?

What kind of geography deals with people and how they affect the world ?

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

Sociologists found that the effects of institutionalization on infants, i.e. lack of a caring environment, will result in slower development of their mental, physical, and emotional skills. true or false? ?