Problem 11P

For a system of fermions at room temperature, compute the probability of a single-particle state being occupied if its energy is

(a) 1 eV less than µ

(b) 0.01 e V less than µ

(c) equal to µ

(d) 0.01 eV greater than µ

(e) 1 eV greater than µ

Psych 2300: Psychology Research Methods 6/15 & 6/17 Four Validities - Validity: appropriateness of a conclusion or decision Construct Validity Operationalization of a variable Applies to all claims Is this a reasonable way of quantifying what I want to understand Assessing creativity measure x : is x a reasonable way to measure creativity External Validity Generalizability o How was the sample gathered o Can I apply this elsewhere Can these results extend beyond my study Can I apply it to the population I am interested in Who can I apply these results to Representativeness How representative is your sample of the population of interest Specifically interested