Longitudinal research is complicated by high rates of.

Your assessment tool contains rich data about child progress in language and literacy but no details to explain the differences between children. you decide to: a. replace the tool with another b. analyze the data using factors such as language, ability, and participation rates c. review your anecdotal notations regarding language and literacy development d. talk with families about what they are seeing at home

Which of the following statements is correct? a) one drawback of forming a corporation is that it generally subjects the firm to additional regulationsb) one drawback of forming a corporation is that it subjects the firms investors to increased personal liabilitiesc) one drawback of forming a corporation is that it makes it more difficult for the firm to raise capitald) one advantage of forming a corporation is that it subjects the firm's investors to fewer taxese) one disadvantage of forming a corporation is that it is more difficult for the firm's investors to transfer their ownership interests

Ajustification for job training programs is that they improve worker productivity. suppose that you are asked to evaluate whether more job training makes workers more productive. however, rather than having data on individual workers, you have access to data on manufacturing firms in ohio. in particu- lar, for each firm, you have information on hours of job training per worker (training) and number of nondefective items produced per worker hour (output). (i) carefully state the ceteris paribus thought experiment underlying this policy question. (ii) does it seem likely that a firm’s decision to train its workers will be independent of worker characteristics? what are some of those measurable and unmeasurable worker characteristics? (iii) name a factor other than worker characteristics that can affect worker productivity. (iv) if you find a positive correlation between output and training, would you have convincingly established that job training makes workers more productive? explain.