Variables in Research PDF

**OBJECTIVES:** 1\. Define variables 2\. Compare and contrast the types of variables 3\. Identify the independent, dependent, and extraneous variable 4\. Differentiate predictor and criterion variable Lesson 1.3: KINDS OF RESEACH VARIBLE Variable comes from the root word **["vary,"]** which m...

**OBJECTIVES:** 1\. Define variables 2\. Compare and contrast the types of variables 3\. Identify the independent, dependent, and extraneous variable 4\. Differentiate predictor and criterion variable Lesson 1.3: KINDS OF RESEACH VARIBLE Variable comes from the root word **["vary,"]** which means **["change."]** Variables can be classified as.. **NUMERIC** 01 03 02 04 EXPERIMENTAL NON-EXPERIMENTAL CATEGORICAL NUMERIC VARIABLE A variable that answers the question "how many" or "how much." 01 KINDS NUMERIC VARIABLE Also known as an interval variable. Data is infinite. It can assume any value between a certain set of real numbers. **Examples:** time, age, weight, and height. Data can be counted in a finite manner. These variables assume any whole number within the limits of a given variable. **Examples:** Population of grade 12 students, Covid-19 patient. **[Continuous Variable]** Discrete Variable PRT. 1 Directions: Identify the variable in the statement and write C if the given variable is Continuous or D if Discrete. 1\. It is 28 degrees Celcius inside the room. 2\. Grade 12 Nakpil has 28 boys. 3\. The room can accommodate 50 tables. 4\. Josie's weight yesterday is 50.3 kg. 5\. Isaac is 5 feet 2 inches in height. **CATEGORICAL VARIABLE** It describes the quality or characteristics of a given data. It describes categories or groups. 02 KINDS CATEGORICAL VARIABLE Variables with the value which can be logically arranged, ranked, or ordered. **Examples:** Academic grades, Clothing size Variables with the value which cannot be logically arranged, ranked, or ordered. **Examples:** Religion, Colors, Languages, Subjects **[Ordinal Variable]** Nominal Variable KINDS CATEGORICAL VARIABLE Variables that represent only two categories. **Examples:** Sex -- (Male and Female); Veracity -- True or False Variables that have many categories **Examples:** [Level of Performance] -- good, very good, poor, satisfactory [Colors] -- red, pink, blue, green **[Dichotomous Variable]** Polychotomous Variables PRT. 2 Directions: Classify the following variable by checking the appropriate column (2 answers/number) **EXPERIMENTAL VARIABLE** Experimental variables describe the factors that differ between the sample being tested and the sample being controlled 03 [Independent Variable] Variable that the researcher manipulates in an experiment or research. The independent variable is the variable that is different between the groups compared. **Example:** A study on learning styles of Grade 12 students at Navotas City and its effect on their Academic Performance. [Dependent Variable] These are the variables affected by the manipulation of the independent variable. It is sometimes called the predicted variable. **Example:** A study on learning styles of Grade 12 students at Navotas City and its effect on their Academic Performance. [Extraneous Variable] Also known as ***Intervening Variable***. These are variables that the researcher does not include in the study but are present in the environment where the research is to be conducted and may affect or influence the conduct of the study. **Example:** A study on learning styles of Grade 12 students at Navotas City and its effect on their Academic Performance. PRT. 3 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 3 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 3 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 3 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 3 Directions: For item number 10, write one quantitative research title then mark/ identify the independent, dependent and possible extraneous variable. **NON-EXPERIMENTAL VARIABLE** Type of research that does not involve the manipulation of control or independent variable. In non-experimental research, researchers measure variables as they naturally occur without any further manipulation. 04 [Predictor Variable] A variable that changes the other variable in non-experimental research. Similar to the independent variable in experimental research. **Example:** Conduct of Career Orientation Program and Choice of Senior High School Specialization among Grade 10 students. [Criterion Variable] Variable that may be influenced or changed by the predictor variable. Similar to dependent variable in experimental research. **Example:** Conduct of Career Orientation Program and Choice of Senior High School Specialization among Grade 10 students. - The Influence of Sleep Quality **(Predictor Variable)** on Cognitive Performance **(Criterion Variable)** in College Students. - The Impact of Exercise Frequency **(Predictor Variable)** on Mental Health **(Criterion Variable)** in Adults. PRT. 4 Directions: Analyze the research title presented. Identify the Predictor and Criterion variable by completing the table below. PRT. 4 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 4 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 4 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. PRT. 4 Directions: Analyze the research title presented. Identify the dependent and independent variables and write at least one extraneous variable. ADD-ACT A. Create a concept map of the types of variables and give an example of each type. A picture is worth a thousand words Awesome words