In Each of the Following Sentences, a Blank Space Appears

question 29

Multiple Choice

In each of the following sentences, a blank space appears where a verb should be. Select the letter of the correct helping verb and past participle form. Marina's mother ____ her diary more than once.

• A) has readed
• B) has read
• C) have read

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Definitions:

Independent Variables

Independent variables are the factors in an experiment that are manipulated or changed by the researcher to observe their effects on the dependent variable.

Interaction

Interaction can describe the reciprocal effect of two or more variables on each other in a study, or the communication and influence between individuals in social psychology.

Factorial Design

An experimental setup that allows researchers to study the effects of two or more independent variables on a dependent variable simultaneously.

Physical Attractiveness

The perception of an individual's physical traits as aesthetically pleasing or attractive, often influenced by societal standards.