Linda is conducting an experiment to determine how much pasta people would eat when given a serving bowl of a certain size. She manipulated the serving bowl size and then measured the two variables. Based on the fact that Linda is going to assign people to different serving bowl sizes, this would be considered a(n):

Linda assigning people different bowl size is the Independent Variable

Explanation:

Linda is conducting an experimental research , analysing the effect of pasta bowl size on pasta consumption.

The causal variable in a research is an independent variable. And, the variable effected by the independent (causal) variable is the dependent variable.

In this case, pasta serving bowl sizes (quantity) are changed to observe & analyse their impact on amount of pasta eaten by people. Hence :

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well it depends i think people around the world are coming around to gay marriage. but if you are talking abortion then wow, so much to talk about. such as men thinking they have the right to choose if women can, the fact there are health concerns if the women can't get one, and many more arguments to discuss. so i would definitely say abortion would be a much more interesting topic.