EDUCATIONAL RESEARCH COMPETENCIES FOR ANALYSIS AND APPLICATIONS UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS COMPLETE STUDY GUIDE FULL SOLUTION

EDUCATIONAL RESEARCH COMPETENCIES
FOR ANALYSIS AND APPLICATIONS
UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS COMPLETE STUDY
GUIDE FULL SOLUTION

●● Stratified Sampling
Answer: A sampling method where the population is divided into
subgroups, and random samples are taken from each subgroup.


●● Simple Random Sampling
Answer: A sampling method where each individual has an equal chance
of being selected, typically by assigning numbers and selecting
randomly.


●● Observational Study
Answer: Researchers observe and measure characteristics without
altering conditions.


●● Experimental Study
Answer: Involves applying treatments to a subset of the population, with
a control group receiving no treatment.

, ●● Control
Answer: Essential for minimizing confounding variables in an
experiment.


●● Randomization
Answer: Helps to eliminate sampling bias, ensuring that the sample is
representative of the population.


●● Replication
Answer: Allows for the study to be repeated, confirming the reliability
of the results.


●● Sample
Answer: A subset of the population used to make inferences about the
whole population.


●● Population
Answer: Includes all members of a defined group.


●● Census
Answer: Attempts to collect data from every member of a population.


●● Parameter