The following passages may contain a comma splice or a fused sentence. Select the answer that eliminates the problem in the original. The field of developmental psychology deals with changes in mental and behavioral performance over time, the field began with a focus on
child psychology, it has grown to track changes throughout a lifetime.
The field of developmental psychology deals with changes in mental and behavioral performance over time. The field began with a focus
on child psychology, it has grown to track changes throughout a lifetime.
The field of developmental psychology deals with changes in mental and behavioral performance over time. Although the field began
with a focus on child psychology, it has grown to track changes throughout a lifetime.

The question is incomplete because some of the options are missing. The complete question is:

The following passages may contain a comma splice or a fused sentence. Select the answer that eliminates the problem in the original.  

The field of developmental psychology deals with changes in mental and behavioral performance over time, the field began with a focus on child psychology, it has grown to track changes throughout a lifetime.

a) The field of developmental psychology deals with changes in mental and behavioral performance over time. The field began with a focus on child psychology, it has grown to track changes throughout a lifetime.

b) The field of developmental psychology deals with changes in mental and behavioral performance over time. Although the field began with a focus on child psychology, it has grown to track changes throughout a lifetime.

c) No change

The correct answer is B. The field of developmental psychology deals with changes in mental and behavioral performance over time. Although the field began with a focus on child psychology, it has grown to track changes throughout a lifetime.

Explanation

Comma splice also known as comma fault is a writting error that consists in the use of a comma to join two independent clauses. This is also used to convey a particular mood of informality. According to the above, the sentence that eliminates that error is "The field of developmental psychology deals with changes in mental and behavioral performance over time. Although the field began with a focus on child psychology, it has grown to track changes throughout a lifetime"nbecause it includes a period to separate both ideas, moreover, this sentence adds an appropriate linking word "although" to connect the ideas correctly.

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a

explanation: