Instruction Two Short Answer Items-Write the right answers on the space provided (211) Tefesehi wanted to do a research on the title "What is the effect of sleep patterns on the day time moods of students at HCO. "She used 50 students for the study NB-EG stands for Experimental group and CG for Control groups. 1. How many shall goes to the EG and CG respectively? and 2. Experimental groups are: 3. The Control groups are;- 4. The independent variable is 5. The dependent variable is

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Instruction Two Short Answer Items-Write the right answers on the space provided (211) Tefesehi wanted to do a research on the title "What is the effect of sleep patterns on the day time moods of students at HCO. "She used 50 students for the study NB-EG stands for Experimental group and CG for Control groups. 1. How many shall goes to the EG and CG respectively? and 2. Experimental groups are: 3. The Control groups are;- 4. The independent variable is 5. The dependent variable is

Answer 1

1. 25 and 25 (In most experimental designs, groups are divided equally to allow for meaningful comparison.)2. Experimental groups are: **The 25 students whose sleep patterns are manipulated/altered according to Tefesehi's research plan.** (The experimental group receives the treatment or intervention being studied.)3. The Control groups are: **The 25 students whose sleep patterns are maintained as usual/not manipulated.** (The control group serves as a baseline for comparison. Their lack of exposure to the manipulated variable helps determine the impact of the independent variable.)4. The independent variable is **sleep patterns**. (This is what the researcher is manipulating or changing to observe its effect.)5. The dependent variable is **daytime moods**. (This is what the researcher is measuring; it's the outcome that *depends* on the changes to the independent variable.)

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