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According to the theory of seafloor spreading, oceanic islands, such as the Hawaiian Islands, form as oceanic crustal plates move over a stationary "hot spot" in the mantle. Currently, the big island of Hawaii is thought to be over a hot spot, which is why it is the only one of the seven large islands that has active volcanoes. What should be true of the island of Hawaii?
I. Scientists in search of ongoing speciation events are more likely to find them here than on the other six large islands.
II. Its species should be more closely related to those of nearer islands than to those of further islands.
III. It should have a rich fossil record of terrestrial organisms.
IV. It should have species that are not found anywhere else on Earth.
V. On average, it should have fewer species per-unit surface area than the other six islands.
Construct Validity
The extent to which a test measures what it claims to be measuring; it's about the accuracy of the operationalization of the variables.
Qualitative Research
A research strategy focusing on understanding concepts, thoughts, or experiences through in-depth collection and analysis of non-numerical data like text, audio, or video.
Ethnographic Study
A qualitative research method that involves the systematic study of people and cultures from within, through observation and participation.
Grounded Theory
A research method that involves constructing theories through systematic gathering and analysis of data, primarily used in qualitative research.
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