In this assignment, students evaluate how a psychological lifespan  theory has been studied using qualitative and quantitative research  methodologies. Students will analyze current empirical peer-reviewed  studies to evaluate how methodology influences understanding and  application of the theory.

Select a psychological lifespan theory such as attachment theory, social cognitive theory, psychosocial theory, etc.

Identify 4 empirical peer-reviewed studies (2 qualitative and 2  quantitative) that explicitly apply or examine the psychological  lifespan theory. The empirical peer-reviewed studies should be within  the last 10 years.
For each study, summarize the following: Research question or  problem; Methodology (i.e. sample, data collection, and analysis); Key  findings as related to theory; and Strengths and limitations of the  methodological approach in examining the selected lifespan theory

After reviewing the 4 studies, write a comparative analysis that addresses:

What each method reveals about the theory that the other does not

How each approach supports, challenges, or expands the theoretical framework

Which theoretical constructs are more easily accessed by each method

Whether integrating both methods could provide a more complete picture

Identify and analyze researcher bias in qualitative and quantitative studies and evaluate ways to mitigate researcher bias

Conclude with a brief  reflection on what student learned between theory and method, as well as  which approach was more compelling or useful for studying this theory —  and why

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