A Set of Sample Scores from an Experiment Has an N

question 71

Multiple Choice

A set of sample scores from an experiment has an N = 28 and a mean = 52. H 1 is directional, predicting an effect of the independent variable which decreases the magnitude of the dependent variable. H 0 asserts the sample is a random sample from a population of scores where µ = 55 and s = 12. a = 0.05_{1 tail}. Using the z test to analyze the data, z crit = _________.

• A) +1.96
• B) - 1.96
• C) - 1.645
• D) +1.645

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Definitions:

Lesioning

Lesioning involves artificially damaging or removing tissue from the brain or another part of the body, often used in scientific research to study the function of specific brain areas or the healing process.

SCN Cells

Specialized neurons located in the suprachiasmatic nucleus of the brain that regulate circadian rhythms.

Retinal Ganglion Cells

Retinal ganglion cells are neurons located in the retina that receive visual information from photoreceptors and send it to the brain via the optic nerve.

Melanopsin

A photopigment found in specialized photosensitive retinal ganglion cells, important for regulating circadian rhythms and pupil constriction in response to light.