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A developmental psychologist prepares a video tape which demonstrates the “conservation of matter”. She selects 8...

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Statistics

A developmental psychologist prepares a video tape whichdemonstrates the “conservation of matter”. She selects 8 youngchildren from a day care and first tests them on this type ofproblem (that matter is the same volume regardless of shape) andrecords the number of correct responses. She then shows the videotape and re-measures their ability to solve these problems. Beloware the results:
# correct           #correct
Child       before tape          after tape
1       3              8
2       0              6
3       6              4
4       2              8
5       9              10
6       8              6
7       6              2
8       5              10

State the independent and dependent variables.
State the Null Hypothesis in words and symbols
Compute the appropriate statistic
What is the decision?
State the Full conclusion in words.

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