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Christian Garcia

Christian G.

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INSTANT ANSWER

A type of attention that evolved to help us do many things at once is called Group of answer choices attentional capture. visual selective attention. divided attention. attention deficit.

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ANSWERED

Hoan Nguyen verified

Numerade educator

A researcher is trying to find out which brand of perfume high school girls wear the most. Which procedure should she use? Group of answer choices Median Mode One-way chi square Mean

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Hoan Nguyen verified

Numerade educator

A repeated-measures t-test provides the following data: Mean of sample at first timepoint is 8.90, mean of sample at second timepoint is 11.68; estimated variance of the difference scores is 31.88 What is the Cohen’s d for this study?

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Hoan Nguyen verified

Numerade educator

A researcher wants to know if there's a connection between hours of sleep and number of depression symptoms in children. Which variable is the independent variable? Group of answer choices the children There is no independent/dependent variable involved here, because this is a correlational study. the number of depression symptoms the hours of sleep

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Hoan Nguyen verified

Numerade educator

Chris obtains a raw score of 55. The mean in the sample is 50 and the standard deviation is 10, so what is his z-score? (NOTE: If your answer is a positive number please DON’T put “+” in front of your answer; it will mess with the computer)

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Sanchit Jain verified

Numerade educator

Which of the following figures is irrelevant in a chi square analysis? Group of answer choices Degrees of freedom Number of variable categories Sample mean Sample size

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Hoan Nguyen verified

Numerade educator

Please select the correct level of measurement for this variable: the last sport you watched on TV Group of answer choices Ordinal Nominal Interval/Ratio

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Hoan Nguyen verified

Numerade educator

A repeated-measures t-test provides the following data: Mean of sample at first timepoint is 8.90, mean of sample at second timepoint is 11.68; standard error of the mean difference is 0.91 What is the t-obt?

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ANSWERED

Sanchit Jain verified

Numerade educator

Please select whether this study’s variables are discrete, or continuous A researcher wants to know which one of his neckties—the red one, the green one, or the yellow one—will get him the most compliments. Group of answer choices Discrete Continuous

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Hoan Nguyen verified

Numerade educator

Which measure of central tendency would be best for summarizing this data? A distribution showing each PSYC2018 student’s favorite restaurant Group of answer choices Mode Mean Median

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