Lesson 4.2 Flashcards
(22 cards)
tentative expression of an expected relationship between
two variables.
Hypothesis
traits that
numerically describe or give meaning to an object, phenomenon, or group of people
the ones that are usually identified, examined, described, or
correlated to answer a scientific inquiry
Variables
variable that is manipulated, especially in
experiments.
Causal
Independent variable
depends on the independent variable
Outcome
Dependent variable
Characteristics of Quantitative Research
Controllability
Generalizability
Objectivity
Replicability
Quantitative research should be in an environment where all
variables are identified and can be controlled.
Controllability
from larger sample sizes that the results are
based on as a representative of the population. ”Sampling”
Generalizability
The results of the data are observable and measurable using
structured instruments.
Objectivity
research study should be replicable by other teams of
researchers that will eventually come up with similar outcome
Replicability
Strengths of Quantitative Research
Analysis of data is assisted with statistical methods
Analysis assisted statisticalmethods
Large-scale research can be undertaken
Large-scale research
Data can be presented in graphical or tabular form.
presented graphical tabular form
Weaknesses of Quantitative Research
Large sample size requires a lot of time and effort
A lot of time and effort
Statistical analysis requires statistician
Quantifying variables make it too simplistic
can only answers what and will not answer why and how of a phenomena
Types of Quantitative Research
Experimental
Nonexperimental
Experimental types of research
True experimental research
Nonexperimental types of quantitative research
Descriptive
Comparative
Correlational
Quasi-experimental
the primary objective of a true experimental research design is to
identify a cause-effect relationship between the variables where the samples are randomized
criteria of a true experiment
Control and Experimental Group
Researcher-manipulated Variable(Dependent, independent)
Randomization
group that will not receive the experimental treatment
control group
group that willl receive the experimental treatment
experimental group
variable that the research control
independent
outcome or effect
dependent
each sampple has an equal probability of being chosen
meant to be an unbiased representation of the total presentation
Randomization
types of true experimental study
post test only design
pretest post test design
solomon four group design
