A study was conducted to investigate whether various types of lessons improve th

Question

A study was conducted to investigate whether various types of lessons improve the spatial- temporal reasoning of preschool children. Children were measured at the start of the study and then again at the end of the study. The change in their scores was recorded. Positive scores show the spatial-temporal reasoning improved, negative scores show worsening of this skill. Thirty-four children were signed up for piano lessons by their parents, 10 signed up for singing lessons, 20 had lessons on using the computer, and 14 had no extra lessons. The data is on

Explanation / Answer

Answer:

1.

a). This is an experiment because we intervene the students by different type of lessons.

A.

Variable: weight in pound

Independent variable.

Quantitative.

B).

We are comparing sample mean with specified value.

One sample t test used.

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