Suppose you read a psychology article, and the introduction informs you that the article will take a box-score approach to reviewing the research on some aspect of gender comparisons. You would expect that the authors of the article will.

Use a statistical method to integrate the results from the appropriate studies in that area.

Explanation:

The research statistics here is said to deal with gender comparison. Therefore, to select the correct statistical analysis, you have to clarify what you want to find out. The research question or hypothesis is typically phrased in terms of finding differences, relationships, or predicting. It is said that difference type questions have interval or ratio level Y variables, and categorical level X variables.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.        

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