What is the biggest reason that researchers select samples from populations, and do not select entire populations?

What will be an ideal response?


The biggest reason is that rarely do researchers have access to all individuals in a population.

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Infants who are small for their gestational age are particularly at risk

Indicate whether this statement is true or false.

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Nicole hasn’t been having much success in her job search and has recently received a rejection letter

from one of her interviewers. As graduation approaches, Nicole is starting to feel the stress of not yet having a job, and she also is feeling frustrated. She knows rejection is part of the process, but she would like to know how she can better handle the rejection she has experienced. What strategies can you suggest to Nicole about how to turn the rejection into a job offer?

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Three of the following are typically associated with mastery goals. Which one is associated with performance goals, and especially with performance-avoidance goals?

a. Believing that competent people usually succeed without much effort b. Believing that errors are an inevitable part of the learning process c. Engaging in such processes as meaningful learning and elaboration d. Being satisfied with one's performance if it shows improvement over time

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Which one of the following individuals definitely has a mastery goal rather than a performance goal?

a. Andrea is in the pool each day at 6:00 a.m.; she has set her sights on winning an Olympic gold medal in swimming. b. Darlene wants to please her parents by doing well in school. c. Claude studies science so he can understand what makes things "tick." d. Brandon never asks questions in class; he's afraid they might make him look stupid.

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