Suppose That You Are Conducting an Experiment to See Whether

question 91

Multiple Choice

Suppose that you are conducting an experiment to see whether receiving negative feedback from an authority figure will increase eating behaviour.After writing an essay, half of your research participants are given negative feedback from a professor, and half are given encouraging feedback.All participants are then placed in a room with a large container of biscuits and their eating behaviour is observed.In this study, an operational definition for the dependent variable might be ____.

• A)whether participants received critical or encouraging feedback
• B)the number of words in each participant's essay
• C)the number of biscuits each participant ate
• D)how many minutes the professor spent giving each participant feedback

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Definitions:

Wilcoxon Signed Rank

A non-parametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess differences in their median values.

Sign Test

A non-parametric test used to evaluate the difference in medians from a pair of related samples, assuming nothing about the distribution of the differences.

Wilcoxon Signed Rank

A statistical test that doesn't rely on parameter assumptions, designed for comparing two related samples, matched pairs, or repeated measures on a single sample to determine if there's a difference in their mean ranks across populations.

Matched Pairs

A study design where subjects are paired based on certain criteria to compare two treatments or conditions, with each subject in the pair receiving a different treatment.