Suppose that Jane’s income increases from $1700 per month to $2300. At the same time, her consumption changes from $1050 per month to $1250 month. What is Jane’s marginal propensity to consume? (Round your answer to two decimal places.) Your

Aland development company purchases several acres of land adjacent to a wildlife reserve. it plans to build a new community, complete with shops and schools. green sands, a local environmental group, complains that the company's proposed building methods will disrupt the area's ecological balance. the company wants to respect the local ecology but also wants to build its development. the company decides to schedule a meeting with green sands's representatives to make choices about the property that are agreeable to both sides. which strategy would be most effective in this situation?

Demand increases by less than supply increases. as a result, (a) equilibrium price will decline and equilibrium quantity will rise. (b) both equilibrium price and quantity will decline. (c) both equilibrium price and quantity will rise

Reliability and validity reliability and validity are two important considerations that must be made with any type of data collection. reliability refers to the ability to consistently produce a given result. in the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways. unfortunately, being consistent in measurement does not necessarily mean that you have measured something correctly. to illustrate this concept, consider a kitchen scale that would be used to measure the weight of cereal that you eat in the morning. if the scale is not properly calibrated, it may consistently under- or overestimate the amount of cereal that’s being measured. while the scale is highly reliable in producing consistent results (e.g., the same amount of cereal poured onto the scale produces the same reading each time), those results are incorrect. this is where validity comes into play. validity refers to the extent to which a given instrument or tool accurately measures what it’s supposed to measure. while any valid measure is by necessity reliable, the reverse is not necessarily true. researchers strive to use instruments that are both highly reliable and valid.