MSCM 541: Choosing Research Subjects in Supply Chain

All the items or individuals about which you want to draw conclusions.

A portion of the population of items or individuals.

Because it is less time-consuming, less costly, and easier to analyze than selecting every item in the population.

<p>A bank studying years of financial transactions to identify patterns of fraud.</p> Signup and view all the answers

<p>Compiled data from an organization or individual.</p> Signup and view all the answers

<p>Subpopulation.</p> Signup and view all the answers

<p>Primary sources involve the data collector using the data for analysis, while secondary sources involve the person performing data analysis not being the data collector.</p> Signup and view all the answers

<p>To apply results obtained from a sample to the larger population.</p> Signup and view all the answers

<p>In a nonrandom sample, every member of the population does not have an equal chance of being chosen.</p> Signup and view all the answers

<p>Because participants are volunteers and know how to use computers and have access to them.</p> Signup and view all the answers

<p>By comparing the results with those of parallel studies conducted using traditional methods, and evaluating the results to check if they conform to theoretical predictions.</p> Signup and view all the answers

<p>Because they do not have an equal chance of being chosen from the population, and may not be representative of the population.</p> Signup and view all the answers

<p>A limitation is that findings may not be generalizable to other strains. This can be addressed by repeating the study using different strains of rats.</p> Signup and view all the answers

<p>Random sampling is most crucial when the researcher wants to apply the results directly to a population.</p> Signup and view all the answers

<p>Two factors are how independent variables are manipulated and the realism of the research setting.</p> Signup and view all the answers

<p>A potential issue is volunteer bias, which can result in a biased sample.</p> Signup and view all the answers

<p>It is important because ethical guidelines require voluntary participation to protect the rights and dignity of participants.</p> Signup and view all the answers

<p>Two ways are to wait for participants to happen along or to recruit participants and randomly assign them to conditions.</p> Signup and view all the answers

<p>The two forms of deception are indirect deception, which involves not disclosing the full purposes or goals of a study, and direct deception, which involves deliberately providing misinformation to participants about critical aspects of a study.</p> Signup and view all the answers

<p>Having someone known to participants make an appeal increases the likelihood of people volunteering to participate in the study.</p> Signup and view all the answers

<p>Full disclosure may not be possible or desirable because it may affect the results of the study or influence participants' behavior.</p> Signup and view all the answers

<p>One way to make an appeal more effective is to make it as interesting as possible.</p> Signup and view all the answers

<p>Researchers avoid stressful tasks because people are less likely to volunteer for experiments that involve stress or aversive situations.</p> Signup and view all the answers

<p>Media coverage may influence people's willingness to volunteer because it can affect their perceptions and attitudes towards research studies.</p> Signup and view all the answers

<p>Deception raises methodological issues because it produces behavior different from when participants are caught unaware, and ethical issues because it may violate informed consent and affect participants' self-esteem and attitude toward research.</p> Signup and view all the answers

<p>The social contract approach is an agreement between the researcher and participant on how research should be conducted, allowing for some deception as long as human dignity is maintained.</p> Signup and view all the answers

<p>Deceived participants react differently from non-deceived participants, and are less likely to volunteer for future research, and may feel duped and experience a loss of self-esteem or develop a negative attitude toward research.</p> Signup and view all the answers

<p>Obtaining prior consent to be deceived, where participants are told that some experiments may involve deception and only those who agree to be deceived are chosen.</p> Signup and view all the answers

<p>Deception may violate the requirements of informed consent, leading to ethical concerns and potentially negative consequences for participants.</p> Signup and view all the answers

<p>To justify the use of deception, the benefits must outweigh the costs, and a cost-benefit analysis may be necessary to determine whether deception is justified.</p> Signup and view all the answers