Kinds of Variables and their uses

MULTIPLE CHOICE

1. What kind of variable is measured using 2 different values?

• Binary

• Dichotomous

• Binomial

• All of these

2. "Students taught first aid by programmed instruction will achieve at a higher level than those taught first aid by the traditional method." The independent variable in this hypothesis is:

• a. Students

• b. level of achievement

• c. programmed instruction

• d. method of instruction

Students taught first aid by programmed instruction will achieve at a higher level than those taught first aid by the traditional method." The dependent variable in this hypothesis is:

• a. Students

• b. level of achievement

• c. programmed instruction

• d. method of instruction

4. A cross-sectional study is carried out to examine whether Navy personnel of a higher rank have more positive coping skills than those of a lower rank. Which of the following statement is true of this study?

• a. The independent variable is coping and the dependent variable is low rank.

• b. The independent variable is rank and the dependent variable is coping skills.

• c. Neither variable is dependent as the researcher cannot manipulate them.

• d. The independent variable is coping and the dependent variable is high rank.

5. In an experimental design, the dependent variable is:

• a. The one that is not manipulated and in which any changes are observed

• b. The one that is manipulated to observe any effects on the other

• c. A measure of the extent to which personal values affect research

• d. An ambiguous concept whose meaning depends on how it is defined

6. 6. A variable that is presumed to cause a change in another variable is called:

• a. intervening variable

• b. independent variable

• c. dependent variable

• d. numerical variable

7. What sort of data are zip code?

• a. Nominal

• b. Interval

• c. ratio

• d. ordinal

8. What sort of data is socio-economic status?

• a. Ratio

• b. ordinal

• c. interval

• d. nominal

9. In a study, “Effectiveness of Exposing Students in classical Music in Reading”, Exposing students in Classical music is _________.

• a. dependent

• b. confounding

• c. intervening

• d. independent

10. What sort of variable is dress size?

• a. Nominal

• b. Interval

• c. ratio

• d. ordinal