Dr. Metropolis has developed an objective measure to determine whether participants are more “city people” or “rural people.” To do this, he generated a list of items that seemed like they’d capture the construct of interest. After collecting data from 100 participants, he factor-analyzed the data to see (1) which items grouped together, and (2) if the items that grouped together shared an interpretable common theme. What methods of objective test construction did Dr. Metropolis use?

People who adjust their behavior to best fit the situation are called ________, and people whose behavior is guided by their personality are called ________.

Which of the following statements regarding T-cell receptor recognition of antigen is correct?

A genetic defect in the λ5 gene would cause which of the following consequences? (select all that apply)

The immunological consequence of severe combined immunodeficiency disease (SCID) caused by a genetic defect in either RAG-1 or RAG-2 genes is:

In terms of V, D, and J segment arrangement, the T-cell receptor α-chain locus resembles the immunoglobulin locus, whereas the T-cell receptor β-chain locus resembles the immunoglobulin locus.

What is the fate of an immature B cell that encounters and has specificity for self antigen?

Single-celled prokaryotes

What are the basic structures that make up a nucleotide?

In a water molecule,