The researchers investigated the effects of adult language input on the quantity of language, vocabulary development, and understanding of basic concepts of deaf and hard of hearing (DHH) children who used listening and spoken language. Using audio recording and Language ENvironment Analysis (LENA) software, the study involved 30 preschool DHH…

The main aim of this research is to examine the relationship between the styles of coping with stress and the levels of hopelessness of preschool teachers. Relational survey method was used in this research. The research sample consists of 108 preschool teachers working in preschool education institutions in Küçükçekmece district of Istanbul in…

In recent years the use of the latent curve model (LCM) among researchers in social sciences has increased noticeably, probably thanks to contemporary software developments and the availability of specialized literature. Extensions of the LCM, like the the latent change score model (LCSM), have also increased in popularity. At the same time, the R…

Nonlinear growth curves or growth curves that follow a specified nonlinear function in time enable researchers to model complex developmental patterns with parameters that are easily interpretable. In this article we describe how a variety of sigmoid curves can be fit using the M"plus" structural modeling program and the nonlinear…

Very young students can begin to use technology to organize and analyze their data in sophisticated ways. The National Center for Education Statistics (2005) reported that 67% of nursery school students and 80% of kindergarten students were using computers in 2003. By the early elementary grades, some of these students are ready to begin using…