Measuring time to pregnancy. Methodological issues to consider

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Methodological issues in measuring coercion

Methods 928 patients, aged 18–60, admitted to acute psychiatric wards in the Nordic countries were interviewed focusing on their experiences during admission. We used a questionnaire where both the MacArthurPerceived Coercion Scale (MPCS) and "The Coercion Ladder" (CL; a ten step visual analogue scale) were included. Information from medical records was obtained and participants were assessed b...

متن کامل

Methodological issues in measuring alcohol use.

Various methodological issues influence the measurement of alcohol consumption in surveys. One factor is the reference period for which questions are asked--that is, whether respondents are asked for an exact recall of their intake during a short, recent period or for a summary of their drinking behavior over a longer period, such as the past year. Longer recall periods provide sufficient time ...

متن کامل

Methodological issues in measuring health disparities.

OBJECTIVES This report discusses six issues that affect the measurement of disparities in health between groups in a population: Selecting a reference point from which to measure disparity. Measuring disparity in absolute or in relative terms. Measuring in terms of favorable or adverse events. Measuring in pair-wise or in summary fashion. Choosing whether to weight groups according to group siz...

متن کامل

Measuring relational norms: some methodological issues

This study questions the validity of the operationalisations of Macneil’s norms which have been used in published studies. It compares the evaluation of two B2B exchanges using features that are fundamental to arguments which underpin Macneil’s concepts. The discrepancies between the results are statistically significant.

متن کامل

Attention Design : Seven issues to consider

In HCI research there is a body of work concerned with the development of systems capable of reasoning about users’ attention and how this might be most effectively guided for specific applications. The design of systems capable of assessing user attention, evaluating the effectiveness of focus of attention and capturing, shifting or maintaining attention, would best be informed by the literatu...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Human Reproduction

سال: 1998

ISSN: 0268-1161,1460-2350

DOI: 10.1093/humrep/13.7.1751