Research on the long-term retention of knowledge learned through formal instruction leads to the conclusion that retention depends on the length of time over which initial learning takes place. according to your text, this is another instance of the powerful mnemonic benefits of

What is the most common way for americans to receive their news?

Federalism began to spread super soon after

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