Sentences with phrase «fixed effects analysis»

My first sensitivity check focused on cultural differences among countries that were not captured by the continental fixed effects analysis.

Not exact matches

Individual growth curve models were developed for multilevel analysis and specifically designed for exploring longitudinal data on individual changes over time.23 Using this approach, we applied the MIXED procedure in SAS (SAS Institute) to account for the random effects of repeated measurements.24 To specify the correct model for our individual growth curves, we compared a series of MIXED models by evaluating the difference in deviance between nested models.23 Both fixed quadratic and cubic MIXED models fit our data well, but we selected the fixed quadratic MIXED model because the addition of a cubic time term was not statistically significant based on a log - likelihood ratio test.

In future updates, we will use fixed - effect meta - analysis for combining data where it is reasonable to assume that studies are estimating the same underlying treatment effect: i.e. where trials are examining the same intervention, and the trials» populations and methods are judged sufficiently similar.

log -LSB--RSB- indicates logarithm of the OR; weight, weighting that the study contributed to the meta - analysis (according to sample size); IV, fixed, 95 % CI: fixed - effect OR with 95 % CI.245

We used fixed - effect meta - analysis for combining data in the absence of significant heterogeneity if trials were sufficiently similar.

In the Indiana study, the most rigorous program estimates come from an individual fixed - effects analysis, where the achievement gains of students while in the voucher program are compared to their achievement gains when not in the program.

Magnet schools have higher proportions of black and Hispanic students than TPS in eight of the twelve states, and charters have more black and Hispanic students than TPS in six of the ten states where those analyses can be run (again, these are controlling for district fixed effects).

Included in the PowerPoint: Macroeconomic Objectives (AS Level) a) Aggregate Demand (AD) and Aggregate Supply (AS) analysis - the shape and determinants of AD and AS curves; AD = C+I+G + (X-M)- the distinction between a movement along and a shift in AD and AS - the interaction of AD and AS and the determination of the level of output, prices and employment b) Inflation - the definition of inflation; degrees of inflation and the measurement of inflation; deflation and disinflation - the distinction between money values and real data - the cause of inflation (cost - push and demand - pull inflation)- the consequences of inflation c) Balance of payments - the components of the balance of payments accounts (using the IMF / OECD definition): current account; capital and financial account; balancing item - meaning of balance of payments equilibrium and disequilibrium - causes of balance of payments disequilibrium in each component of the accounts - consequences of balance of payments disequilibrium on domestic and external economy d) Exchange rates - definitions and measurement of exchange rates - nominal, real, trade - weighted exchange rates - the determination of exchange rates - floating, fixed, managed float - the factors underlying changes in exchange rates - the effects of changing exchange rates on the domestic and external economy using AD, Marshall - Lerner and J curve analysis - depreciation / appreciation - devaluation / revaluation e) The Terms of Trade - the measurement of the terms of trade - causes of the changes in the terms of trade - the impact of changes in the terms of trade f) Principles of Absolute and comparative advantage - the distinction between absolute and comparative advantage - free trade area, customs union, monetary union, full economic union - trade creation and trade diversion - the benefits of free trade, including the trading possibility curve g) Protectionism - the meaning of protectionism in the context of international trade - different methods of protection and their impact, for example, tariffs, import duties and quotas, export subsidies, embargoes, voluntary export restraints (VERs) and excessive administrative burdens («red tape»)- the arguments in favor of protectionism This PowerPoint is best used when using worksheets and activities to help reinforce the ideas talked about.

Teacher credentials and student achievement: Longitudinal analysis with student fixed effects.

Specifically, by including teacher fixed effects in their analyses, researchers have been able to compare a teacher with multiple years of experience to that same teacher when he or she had fewer years of experience.

Teacher credentials and student achievement in high school: A cross-subject analysis with student fixed effects.

The results from logistic regression analyses were presented as OR, with the OR from the fixed - effect logistic regression (sibling comparison) having a cluster - specific interpretation.22 All the analyses were reported with 95 % CI.

In an analysis based on a fixed - effects pooled time - series model with multiple - wave panel data, we find declines in marital happiness at all marital durations and no support for an upturn in marital happiness in the later years.

In the occurrence of severe funnel plot asymmetry, we will present both fixed - effect and random - effects analyses, under the assumption that asymmetry suggests that neither model is appropriate.

Van den Noortgate and Onghena (2003) compared multilevel meta - analysis with traditional meta - analytic methods and concluded that maximum likelihood multilevel approach is in general superior to the fixed - effects approaches and that the results of the multilevel approach are not substantially different from the results of the traditional random - effects approaches for intercept only models.

The mean treatment duration was 275.49 days in usual care, 196.24 days in the standard treatment condition, and 210.15 days in the modular treatment condition; a fixed - effects analysis of variance showed that the groups were significantly different from each other (F2, 171 = 4.66, P =.011).

PCIT was chosen as the PT program because PCIT: a) has well established efficacy in reducing young children's EBP (Eisenstadt et al. 1993; Eyberg et al. 2001; Hood and Eyberg 2003; Schuhmann et al. 1998); b) contains all of the treatment components recognized by Kaminski and colleagues» meta - analysis (Kaminski et al. 2008) as yielding the largest effect sizes (i.e., increasing positive parent — child interactions, promoting consistency and use of time out, and requiring parents to practice new skills with their child during PT sessions); c) aims to strengthen the parent — child relationship, which can be accomplished in a brief intervention (Bakermans - Kranenburg et al. 2003); d) is a competency - based model that emphasizes skill acquisition rather than a fixed set of sessions; and e) includes a unique delivery technique (i.e., wireless headset for the therapist to coach the parent in vivo during interactions with the child) similar to an exposure - based approach in which parents observe «in vivo» changes in their child behavior during sessions.

Maternal heavy alcohol use and toddler behavior problems: a fixed effects regression analysis.