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Read books online » Education » INNOVATIONS IN SCIENCE, TECHNOLOGY AND MATHEMATICS EDUCATION IN NIGERIA by Ebele C. Okigbo, Nneka R. Nnorom, Ernest O. Onwukwe (the ebook reader .txt) 📖

Book online «INNOVATIONS IN SCIENCE, TECHNOLOGY AND MATHEMATICS EDUCATION IN NIGERIA by Ebele C. Okigbo, Nneka R. Nnorom, Ernest O. Onwukwe (the ebook reader .txt) 📖». Author Ebele C. Okigbo, Nneka R. Nnorom, Ernest O. Onwukwe



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 how  to  count  and  calculate objects. This assertion underscores the importance of Mathematics in everyday life. Notwithstanding the obvious importance of Mathematics, the achievement of secondary school students in Mathematics in public examinations could be described as poor and appalling. This is worrisome, considering the contributory and central role Mathematics plays in the growth and development of any nation. This poor achievement, to a large extent has given many educators concern (Ajayi, Abiola & Adeyanju, 2011). Apparently, the evidence of the poor achievement in Mathematics is predicated on the annual reports of West African Examination Council (WAEC) between 2008 and 2018 which indicated a discouraging performance of students in Mathematics. The analysis of annual result’s reports of West African Senior Secondary School Certificate Examination (WASSSCE) May/June  (WAEC,  2008-2015), shows that the percentage of students who passed at  credit  level  and  above  (A1 –C6)  was less than 50% for a period of 10 years with the exception of  the year  2008 and 2016 where  performance  was  a little above  average. Similarly, the analysis of the annual result’s reports of WASSCE Nov/Dec. 2016, 2017 and Jan/Feb. 2018 shows also that 17.6%, 23.6% and 18.3% respectively of candidates who registered for the examination obtained credit  level  and  above  (A1 –C6) (WAEC, 2016, 2017, 2018). In reaction to that, the Nigerian senate directed its Committee on Education (Basic and Secondary) to find out the causes of the recurring failure in the WASSCE with a view to finding remedies(Vanguard, March 28, 2018).

 

In Abia State, the students’ performance record in  Mathematics at  the West Africa Senior  Secondary  School  Certificate  Examination (WASSSCE) from 2013 to 2017 is a reflection of  general  poor  performance  in  Nigeria. The analysis has shown that the percentage of students who passed at credit level and above (A1 –C6)  was  less than 50% within  2013 to 2017 in Imo State (Secondary Education Management Board (SEMB), Owerri Imo State, 2017).Corroborating this assertion, the WAEC Mathematics Chief Examiners (2012-2015) reported that many candidates do not attempt questions drawn from geometry and those who attempted the questions showed lack of understanding of the concept of geometry especially the three-dimensional shapes, circle theorem among others. This has shown that achievement of students in geometry has been very poor.

Geometry is a branch of mathematics which has applications in careers such as art, architecture, interior design, carpentry, plumbing and drawing (Okigbo & Okeke, 2011). Geometry provides knowledge of how to deal with measurements and relationships of lines, angles, surfaces and solids (Abiodun, 2016). Geometry is one of the five themes in senior secondary school Mathematics curriculum(Nigerian Educational Research & Development Council(NERDC), 2007).The topics under geometry as a theme  include;constructions, proofs of some basic equations, trigonometric ratios, menstruation(two and three-dimensional shapes), chord property and circle theorems. Others are trigonometry, graphs of trigonometric ratios, surface area and volume of sphere, longitude and latitude and coordinates geometry of straight lines(NERDC,2007). In this study, therefore, three-dimensional shape is the focus. Three-dimensional shape is an object that has face or flat surface, edge, vertex. For example, three dimensional shapes include cube, cuboid, cylinder, cone, pyramid, prism, prism, sphere among others. Three-dimensional shapes provides knowledge of how to deal with measurements and relationships of surfaces and solids(Njoku, 2015).The knowledge of three-dimensional shapes is used in engineering especially the structural engineers in designing structures and in graphic arts to calculate perspective. Overtime, the method used by secondary school Mathematics teachers in the teaching ofthree-dimensional shapes is conventional teaching method.

Conventional Teaching Method (CTM) is a teacher-centered, Nworgu (2017) submitted that conventional Teaching method is characterized by verbalization, memorization, non-interactive, and teacher dominance. Many mathematics teachers make use of it in teaching mathematics because it allows for a wider coverage of content within a short period of time and teaching large number of students at the same time (Osuafor and Njoku, 2016).Despite this advantage, achievement of secondary school students in geometry has been poor. To this end, effort is made by this study to attempt to evolve a strategy that can be used to teach geometry to secondary school students in order to improve their achievement in geometry. In this study, achievement in geometry is defined as the ability of the students to comprehend three dimensional shapes in geometry and perform the required calculations accurately when measure with an achievement test. To this end, there is need to explore a student centred teaching method which seemingly has the capacity to improve achievement of secondary school students. Such strategy is seen inHands-on Knowledge Concept (HKC).

Hands-on Knowledge Concept (HKC) is a process of engaging students in the construction of shapes with cardboard paper or other malleable materials to get skills rather than read about it or seeing it being done by others, before teaching the calculation involved in the concept.HKC enables students to learning a topic with some prior knowledge. In line with submission of McGrew (2005), that it is much easier to learn information that is in one's existing field of expertise than to learn information from a brand new field. In this study, HKC involves teaching students how to construct solid geometry such as cube, cuboid, cone, cylinder, prism and pyramid using cardboard sheet, solo or masking tape and scissors for about 20 minutes before teaching them how to calculate total and curved surface areas, and volume. On the strength of the forgoing, it became necessary to conduct a research on the effect of Hands-on Knowledge Concept (HKC) secondary school students’ achievementin mathematics and determine the influence of gender on the secondary school students’ achievement in geometry.

Gender is an important variable in educational research. Okoli (2011) described it as the social or cultural construct, characteristics, behaviours and roles which society ascribes to females and males. Overtime, there has not been agreement by researchers on the influence of gender on achievement scores of secondary school students. Therefore, gender has remained a controversial and an inconclusive issue amongst science educators and psychologists. For example, Garba, and Muhammad (2015) reported that there was a significant influence of gender on the mean achievement scores of students in geometry. Whereas Osuafor and Njoku (2016)  reported  that there  was  no significant  influence of gender  on  the mean achievement scores  of  students. Hence, the present study gave a clarification on the issue and filled the gap of information on the influence of gender on students’ achievement scores in geometry.

Purpose of the Study

Purpose of the Study

The purpose of this study was to determine the effect of HKC of three dimensional shapes on students’ achievement in geometry. Specifically, this study determined the:

Effect of HKC of three dimensional shapes on the achievement of secondary school students in geometry.  

Influence of gender on mean achievement scores of students in  geometry.

Interaction effect  of  teaching  method and  gender  on mean achievement  scores of students in geometry.  

Research Questions

Research Questions               

The following research questions guided the conduct of the study:

What are the mean achievement scores of students exposed to HKC of three dimensional shapes and those exposed to Conventional Teaching Method(CTM) in geometry?  

What are the mean achievement scores of male and female students exposed to HKC of three dimensional shapes in geometry and those exposed to CTM in geometry?

Hypotheses

Hypotheses

The following hypotheses guided the study. They were tested at 0.05 levels of significance.

There is no significant difference between the mean achievement scores of students who were taught geometry using HKC of three dimensional shapes and those taught using CTM.

There is no significant influence of gender on mean achievement scores of students in  geometry.

There is no significant interaction effect of teaching  method  and  gender  on mean achievement  scores of students in geometry.  

 

Method

Research Design

The design of this study was quasi-experimental. Specifically, the non-equivalent control group design was adopted. The study was carried out in senior secondary schools in Abia State, Nigeria.

Sample and Sampling Techniques

The sample for the study was made up of 274(123 male and 151 female)Senior Secondary one (SS1) students with average age of 14 years. The sample was selected through a multistage sampling procedure. Six schools were chosen for the study(two single sex boys, two single sex girls and two  co-educational). Thereafter, three were randomly assigned to experimental group and the other three to control group. Six intact classes were sampled for this study.

Instrument for Data Collection

Three -Dimensional Shapes Achievement Test (TDSAT) was used as instrument for data collection in this study. This instrument was constructed by the researchers. It consists of two parts namely the preliminary part which provides information on getting bio-data information of the students and the part contains 40-item multiple-choice questions with four response options. The instrument was face and content validated by specialists and also trial tested. The reliability of TDSAT was established using Kuder Richardson formula 20 (KR-20). Internal consistency of 0.79 was obtained. Similarly, since the instrument was used twice, hence the need for the estimation of temporal stability of the instrument. Test-retest which was found to be 0.82 was used to estimate the temporal stability of TDSAT. Afterwards, item analysis was conducted on TDSAT in order to fully standardize the instrument. Finally, the difficulty indices of the items were used in arranging TDSAT items according to their increasing order of difficulty. TDSAT was used as pre-test and after the treatment has been made, the same instrument was re-arranged and used as post-test.

Experimental Procedure

The researchers coordinated the regular mathematics teachers of the selected schools for the experimental group on how to use the HKC for one week. Thereafter, copies of the lesson plan were given to each of the teachers in experimental group. However, the teachers in the control group were giving only the validated copy of lesson plan.Before starting the teaching, TDSAT (pre-test) was administered to the students in the two groups to answer and no feedback on the TDSAT (pre-test) scores was given to students in

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Free ebook «INNOVATIONS IN SCIENCE, TECHNOLOGY AND MATHEMATICS EDUCATION IN NIGERIA by Ebele C. Okigbo, Nneka R. Nnorom, Ernest O. Onwukwe (the ebook reader .txt) 📖» - read online now

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