A researcher defines happiness in their study as an index of the following questions: are you very, somewhat, or not very happy 1) in general; 2) at work: 3) with your social life; and 4) with your marriage. What has the researcher done?

Operationalized his variables

Measured his variables

Explanation:

To define happiness, the researcher has categorized certain questions into variables ans then he measured these variables to determine happiness.

The researcher first asks a operational question whether a person is happy or not and he has categorized this question into three different levels which are happy, somewhat happy or not very happy.  Then he categorizes the option to different places such as in general, at work, in social life etc.

c is the answer : )               your welcome

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.