Gerry Jr Garcia
Activity 1
Lecture Part
Directions: answer the following questions briefly but substantially.
1. Explain the importance of statistics in the use of psychological tests.
Statistics is a branch of mathematics that is dedicated to analyze, summarize, and organize... dealing
with numerical numbers. It is important especially in Psychological Tests, because numbers/scores has a
certain equivalent when interpreted by a professional. It is useful to determine what does those
numbers signifies.
2. Why do we convert raw scores to standard scores?
Standard scores or more commonly referred to as z-score, it is allow us to determine or calculate the
probability of score occuring.
It is significant to convert raw scores to standard scores to the certain value of that scores. For instance,
if I would get 35 in exam, what does 35 signifies? It is below or above the mean? Does it mean I excel in
exam, and my classmate did poorly?
By converting raw scores to standard score those questions will surely answered.
Activity 2
Laboratoy Part
Directions: accomplish the following tasks:
1. Explain why the properties of scales are vital in the field of measurement.
Measurement refers to the assignment of numbers in a meaningful way (Britannica Encyclopedia) They
are important because they are crucial aspect of research and statistics, because the level of data
measurement is what determines the data analysis model or technique to be used.
2. Why is the use of norms in psychological testing so important?
Psychological Testing is commonly imported from other countries, and it cost 3k-75k according to Avila
and Nicomedes the two outstanding researchers in Gateresearch I believe. A psychometrician is only
allowed to conduct the test up until Level B.
It is important for the people making the test knowledgeable in conducting a test, and familiarize with
the test, interpretation of data.