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validity can be measured by knowing the nature of the data to be collected in the study.
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- an independent variable is the variable measured in an experiment. True or FalseThe variable is a part of the experiment that varies or changes. True FalseWhat does the following imagine show in regard to validity and reliability? Does research cease to progress if both are not evident? Why/why not?
- Internal validity is important because it determines... If the Hawthorne effect affected the findings Whether study findings are a result of measurement effects Whether the independent variable caused the change in the dependent variable If the study is generalizable to the larger populationWhy is variable operationalization important? Select all that apply. It allows you to confirm that a valid measurement approach was used. It allows you to calculate appropriate descriptive statistics. It allows others to measure a construct in the same way that you did. It allows you to determine the appropriate statistical tests (i.e., inferential statistics).For each measure below, indicate which kinds of reliability would need to be evaluated. Then draw a scatterplot indicating that the measure has good reliability and another one indicating the measure has poor reliability. C. Psychologists measure how long it takes a mouse to learn an eyeblink response. For 60 trials, they present a mouse with a distinctive blue light followed immediately by a puff of air. The 5th, 10th, 15th trials are test trials, in which they present the blue light alone(without the air puff). The mouse is said to have learned the eyeblink response if observers record that it blinked its eyes in response to test trials. The earlier in the 60 trials the mouse shows the eyeblink response, the faster it has learned the response.
- The following are methods to control for bias during data collection, except: a. Assuring subjects' anonymity and confidentiality b. Reducing the number of participants c. Providing training for interviewers d. Randomly assigning subjects to experimental/controlThis term refers to the extent to which a study population represents the population at large to which you wish to extrapolate your results: Internal Validity External Validity Reliability Specificity None of the aboveDiscuss the concepts of reliability, objectivity, and validity in relation to qualitative and quantitative approaches
- For each of the following, identify which of the three basic principles of the Belmont Report is being violated: A researcher recruits poor minorities to be participants in a risky experiment. A researcher tricks people into participating by suggesting that they might win a contest. A researcher knows that people will feel ashamed after one of the study.Briefly discuss how the following may determine the type of statistical analysis to be applied in the conduct of an empirical study; i. Research hypothesis, ii. Study design._________ is usually strong in RCTs because randomization reduces bias. Internal validity External validity Blinding