As per the data given in the question the solution will be as follows:

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

IV : Students (Male and Female)

DV:  Information about Adolescent egocentrism .

Women suffering from  PMS volunteered to participate in a study about a drug to alleviate the symptoms of PMS.

The women were randomly split:

Half received the drug and the other half received a placebo. Severity of PMS symptoms was recorded during their next premenstrual cycle.

  IV : Women suffering from PMS(Receiving drug and placebo)

  DV :  Symptoms of PMS

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

IV  : Group of adults ( love, horror )

DV : Effect of movie.

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 : Parents in different parenting style (e.g., authoritative,authoritarian,or permissive).

  DV : Discpline used by parents

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

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

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

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

options= Nominal

An item measuring number of times a preschooler says the word "love" , with the number filled in the blank = Interval.

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

options = Ordinal.

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

A check box item measuring the religious affiliation of the Presidents of the United States with Christian.Jewish,Mormon,Islam or Muslim as options = Ordinal.

An item measuring the math SAT scores of Sand Creek High School seniors,with options ranging continuously from

200-800 = Interval.

An item measuring the social competence score for adolescents who spend more than 3 hours per day on social networking sites,with options ranging from low competence to high competence = Ordinal