Dr. Jefferson is a psychologist interested in 4-year-old Shawn's knowledge of the differences between animals and vehicles. The psychologist gives Shawn a multiple-choice picture test in which he must write the letter of the correct answer on a separate piece of paper. However, Shawn has trouble identifying and writing some letters. On two separate occasions, Shawn receives the same score on the test. This method has validity and reliability poor; good poor; poor good; poor good; good

poor; good

Explanation:

Validity: In research, the term "validity" is determined as the extent or degree to which a specific test or research claims to compute or measure. However, it is considered as important for a test or a research to be valid in order to for the results to be properly interpreted and accurately applied.

Reliability: In research, the term "reliability" is determined as the consistency of a particular test or research. In other words, a particular test should give rise to the similar results if measured at an interval of time.

In the question above, the given method has poor validity and good reliability.

well, paralell is parallel. i am providing links to .

hope this !

a series circuit is one with all the loads in a row. there is only one path for the electricity to flow. if this circuit was a string of light bulbs, and one blew out, the remaining bulbs would turn off.

unlike in series circuits, a charge in a parallel circuit encounters a single voltage drop during its path through the external circuit. the current through a given branch can be predicted using the ohm's law equation and the voltage drop across the resistor and the resistance of the resistor.

a parallel circuit has certain characteristics and basic rules: a parallel circuit has two or more paths for current to flow through. voltage is the same across each component of the parallel circuit.