Suppose One Experimenter Decides to Test a Treatment with Only

question 37

Multiple Choice

Suppose one experimenter decides to test a treatment with only one experimental group and one control group, while another experimenter tests different levels of the same treatment with three different groups of participants. How will this affect the way in which the two experimenters conduct their statistical analysis?

• A) this will not make a difference in how they analyze their data
• B) the first should use a lower significance level than the second
• C) the second should analyze differences in groups means while the first should analyze differences in group variability
• D) the first would conduct a t test, while the second would start with an analysis of variance and if significant) then conduct post hoc tests to determine which groups are significantly different.

Identify the specializations within psychology and their focus areas.

Describe the empirical approach and its significance in scientific inquiry.

Develop critical thinking skills and the importance of questioning assumptions.

Understand and compute Z scores for data observations.

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Definitions:

Echinodermata

A phylum of marine animals including sea stars, sea urchins, and sea cucumbers, characterized by radial symmetry and a unique water vascular system.

Echinoderms

A phylum of marine animals that includes starfish, sea urchins, and sea cucumbers, characterized by radial symmetry and a unique water vascular system.

Radial Symmetry

A symmetrical arrangement of parts around a central axis, as seen in many aquatic organisms, allowing them to interact with their environment from any direction.

Endoskeleton

An internal support structure of the body, found in vertebrates, consisting of bones and cartilages.