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Independent vs Dependent Variables (1.5 points each = IV is worth 1 point, DV is

ID: 3259976 • Letter: I

Question

Independent vs Dependent Variables (1.5 points each = IV is worth 1 point, DV is worth .5 point)

For each of the following four descriptions of studies, identify the independent and dependent variables. When typing in your answers, follow the example below. For the independent variable, be sure to include in parentheses the groups being compared.

Example: Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be.

            IV: Cartoon (alone and others)

            DV: Level of funniness

1. An adolescent egocentrism questionnaire was given to male and female college students.

IV:

DV:

2. Women suffering from PMS volunteered to participate in a study about a drug to alleviate the symptoms of PMS. The women were randomly spilt: half received the drug and the other half received a placebo. Severity of PMS symptoms was recorded during their next premenstrual cycle.

IV:

DV:

3. After watching a love movie or a horror movie, a romanticism questionnaire was given to a group of adults.

IV:

DV:

4. Parents were classified into the type of parenting style (e.g., authoritative, authoritarian, or permissive) they use. The parents were asked to rate their perception of how much discipline they use with their children.

IV:

DV:

Measurements of Scale (1 point each)

For each the following 11 descriptions of variables, identify whether a nominal, ordinal, interval, or ratio scale is being used.

Example: An item measuring Ethnic group categories of people in a neighborhood, with options being White, Black, Hispanic, or Asian. = nominal

1. A check box item measuring gender, with male or female as options. =

2. An item measuring the wife’s household income, with income filled in the blank. =

3. Items measuring self-esteem on a disagree to agree scale. =

4. An item where preschool children participants must check their favorite color, with blue, red, yellow, green, purple, or pink as options. =

5. An item measuring number of times a preschooler says the word “love,” with the number filled in the blank. =

6. An item measuring the parenting style of teen mothers, with authoritative, authoritarian, uninvolved, or permissive as options. =

7. An item measuring the high temperature on each day of the week, with temperature filled in the blank. =

Explanation / Answer

Answer:

Independent vs Dependent Variables (1.5 points each = IV is worth 1 point, DV is worth .5 point)

For each of the following four descriptions of studies, identify the independent and dependent variables. When typing in your answers, follow the example below. For the independent variable, be sure to include in parentheses the groups being compared.

Example: Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be.

            IV: Cartoon (alone and others)

            DV: Level of funniness

  

1. An adolescent egocentrism questionnaire was given to male and female college students.

IV: Gender( male, female)

DV: Level of egocentrism

2. Women suffering from PMS volunteered to participate in a study about a drug to alleviate the symptoms of PMS. The women were randomly spilt: half received the drug and the other half received a placebo. Severity of PMS symptoms was recorded during their next premenstrual cycle.

IV: Drug ( Drug, Placebo)

DV: Severity of PMS

3. After watching a love movie or a horror movie, a romanticism questionnaire was given to a group of adults.

IV: movie type (love, horror)

DV: level of romanticism

4. Parents were classified into the type of parenting style (e.g., authoritative, authoritarian, or permissive) they use. The parents were asked to rate their perception of how much discipline they use with their children.

IV: type of parenting style (authoritative, authoritarian, or permissive)

DV: level of discipline

Measurements of Scale (1 point each)

For each the following 11 descriptions of variables, identify whether a nominal, ordinal, interval, or ratio scale is being used.

Example: An item measuring Ethnic group categories of people in a neighborhood, with options being White, Black, Hispanic, or Asian. = nominal

1. A check box item measuring gender, with male or female as options. = Nominal

2. An item measuring the wife’s household income, with income filled in the blank. =Ratio

3. Items measuring self-esteem on a disagree to agree scale. =Ordinal

4. An item where preschool children participants must check their favorite color, with blue, red, yellow, green, purple, or pink as options. =Nominal

5. An item measuring number of times a preschooler says the word “love,” with the number filled in the blank. =Ratio

6. An item measuring the parenting style of teen mothers, with authoritative, authoritarian, uninvolved, or permissive as options. =Nomial

7. An item measuring the high temperature on each day of the week, with temperature filled in the blank. =Interval