Sentences with phrase «over several time periods»

Confidence in gross findings can be developed by replication, by averaging results over several time periods, and by using several measures of the development of human capital — not tests alone, but also attendance rates, dropout rates, and promotion rates (a very high - quality assessment will track indicators of human capital such as post-secondary school earnings and higher - education outcomes as well).

Because we observe schools over several time periods, we can subject the program to an even stricter test by controlling for all characteristics of schools that remain constant over time (by «differencing out» the effect of attending a particular school on exam scores).

Not exact matches

«As a long - term value investor, we remain cautious and recognise that to generate good real returns over time, we have to be prepared for periods of underperformance relative to the market indices, some even for a stretch of several years.»

While some companies like Tesla already offer semi-autonomous technology — where the driver can take their hands off the wheel for brief periods of time — it is likely to be several years before people can turn over the majority of the driving to the «brains» in their vehicle.

For example, one of our developers chose to use several of his random weeks over a period of several months to refactor and reimplement our server - monitoring time series graphing engine.

You're generally going to be better served by spreading your initial investment budget over several years, rather than trying to invest it all in a short period of time.

I hope that several prominent neurologists without a stake in the situation will step forward and volunteer to examine Jahi — and not just for a day or two but over an extended period of time, to test her brain and body functions thoroughly and determine whether she does indeed respond to requests.

The Astros got that first World Series win in Houston by hitting the ball as hard as humanly possible, several times in a row, over a sustained period of time.

In other words, we have to be able to sprint several times a game for short bursts (think 30 - 45 second shifts) and do it over the course of a long period of time (e.g. a 60 minute game).

Over the next several weeks to months, your baby will mature and be awake or alert for longer periods of time.

You might need to swap them several times throughout the day, but when the period is over, simply wash them by hands.

Cluster feeding, also known as bunch feeding, is when your little baby feeds several times over a period of a few hours.

even when our girl has teeth cutting through, she's easily consoled with teething tablets or one dose of baby Tylenol, whereas before, we'd have to use several doses over the recommended period of time before they would calm down and finally fall asleep, since they seem to be at their worst in the evenings.

They often span several car seats groups too, so you only have to invest in one seat instead of two over a certain period of time.

However, several changes in the makeup of each conference's campaign fund balance indicate Democrats have improved in this area over the same period of time.

The unique feature of this study is that the same people were followed up several times over a long period of time.

Using data from Global Positioning System (GPS) stations and Interferometric Synthetic Aperture Radar (InSAR) images collected during successive satellite fly - overs, ASU researchers were able to measure changes in surface elevation during a time period spanning the main Gorkha event, and several major aftershocks, with centimeter accuracy.

«Most pollinators visit several plant species over their lifetime, but often they will display what we call floral fidelity over shorter time periods,» Brosi explains.

The study is unusual because it looks at several factors that affect ecosystem stability at the same time over a long period in a setting that kept other potential variables constant.

A study where each participant is looked at several times over a time period - unlike a cross-sectional study, where each participant is looked at only once

A study where each participant is looked at only once - unlike in a longitudinal study, where each participant is looked at several times over a time period

This does not seem a very large loss rate, but it has taken place relentlessly for more than 2 billion years, and the equivalent water or CO2 lost over this time period is in excess of several meters of liquid water spread over the whole surface of Mars.

For significant periods of time, the reconstructed large - scale changes in the North Pacific SLP field described here and by construction the long - term decline in Hawaiian winter rainfall are broadly consistent with long - term changes in tropical Pacific sea surface temperature (SST) based on ENSO reconstructions documented in several other studies, particularly over the last two centuries.

Over what time period might this savannization process release carbon «equivalent to several years of worldwide carbon emissions», and how does that affect the assessment offered by Gore, Hansen and others that we have perhaps ten years in which to substantially reduce CO2 emissions to avoid irreversible catastrophic warming?

Studies of this CMD indicate that the stars of this cluster did not all form at once but over a 2 - billion - year period of time, with several starburst peaks.

In other words, natural supplements need to build up in your system to get to a level where more significant change occurs, which is why you often will need to take them several times per day, over periods of weeks and months or even longer.

Digestive health: As reported in several issues of the Journal of the American Medical Association, digestion is the area where the most probiotics studies have been performed, with the strongest evidence to date occurring in the treatment of antibiotic - associated diarrhea.1 The use of antibiotics to clear an infection, especially over a long period of time, can destroy many of the natural bacteria in the gut, leading to an imbalance in the gut flora, favoring «bad» bacteria and allowing them to thrive.

I had been to my medical doctor several times over a 4 year period and was only offered drugs to mask the problem.

Several fascinating studies have been done that show that regular green tea drinkers over a long period of time actually have a longer life expectancy.

Summary: Nine male and three female competitive runners (VO2 max 68.7 + / -5.8 mLO2 / kg / min) ran four 10 km time trials on a track over a period of several days.

However, in this situation we are talking about several pounds of a raw cruciferous vegetable on a daily basis over a prolonged period of time, rather than high - but - balanced consumption of cruciferous vegetables as a group within the context of an overall healthy diet.

(1) Never list home addresses, phone numbers, work addresses or work numbers and don't give them out until you have met the person several times in public places and have gotten to know them over a period of time.

Unlike its modern equivalent, The Lord of the Rings, which were assembled by the same creative team over a much shorter time period, the Harry Potter series has evolved on - screen, maintaining several consistencies and curious inconsistencies.

WHY: Much like «The Loft» (see below), «Seventh Son» was the victim of a messy behind - the - scenes divorce that resulted in the film's release date getting bumped several times over a two - year period.

In addition to meeting several times with the AP Human Geography teachers, Patrick came to Sammamish four times over a four - week period.

She was now living in a foster care home, one of the several in which she had been placed over a relatively short period of time.

I have two sons, so I have had considerable interaction with teachers at several different schools over a fairly long period of time.

All of the classes were revisited by the team several times as research has discovered that engaging a group repeatedly over a focussed period of time is more effective than a one off visit.

Federal officials blamed the gap on several factors, including the fact that some states switched to new tests during the study period, making it impossible to compare student test scores over time.

Each committee met several times over a five - month period, from December 2015 through April 2016, reviewing the literature on their topic and meeting with subject - matter experts and practitioners to better understand the current state of the field on the topic, and to generate practical recommendations.

Especially during a long period of 11 straight years, wouldn't it have been replaced several times over?

You can either offer your book for free for several days in a row or break your free days up over a longer period of time.

CourseSmart looks not only at the price of textbooks, acknowledging that there is an inherent cost in the creation of the text by author experts over several years, but also is focused on making sure that the open source content is academically relevant and sustainable over a period of time.

The romance writers of america chapters use this resource to set up online workshops to teach author craft or other more detailed topics with several authors over a period of time.

It took the goading of several friends, over a period of time, before I realized that the blog was actually non-fiction writing (I can be excessively slow for Ph.D. engineer sometimes).

A contrarian's attitude toward a sector that has been underperforming for several years may well be that the protracted period of time over which the sector's stocks have been performing poorly in relation to the overall market average only makes it more probable that the sector will soon begin to experience a reversal of fortune to the upside.

If several accounts have been created over a short period of time, there are possibilities of higher risks.

Don't open several accounts over a short period of time, stick with as few as possible.

Combining a good investment philosophy and process with experience of applying it over several economic cycles allows one to improve in a way that would be impossible to do without having applied the process in the real world over a long period of time.

If you are late with your payments several times over the course of the payment period, you run the risk of having an interest rate that is much higher than what was originally computed for you.