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q1 - List three nuisancevariables evident only from the descriptionof the study in Question above
q2 - List any confounding factors evident onlyfrom the description of the study in Question above
3 The number of children involved in sporting clubs varies enormously across different primary schools, depending on such factors as the size of the school, the socio-economic background of the students, the amount of interest the teachers have in sport and whether or not the school has an active sports program. What research design has been used here? [Select! The National Netball League (NNL) want to encourage more children to join a junior netball club. They think that providing schools with netballs will increase the number of children playing the game. Sixty primary schools were randomly selected to take part in a study of sports participation. The schools are randomly allocated to one of two groups, a control group and an experimental group. Half of the schools in each group have an active sports program and half do not. In March, schools in the experimental group are presented with 20 new netballs. The presentation is made by a well-known NNL player who talks to the children about her NNL career. In October the schools in the experimental group are asked to survey their students and to record the number of children who are members of a junior netball club. Schools in the control group are asked to survey their students in October and to record the number of children who are members of a netball club. After the data is collected in October, the researchers compare the number of netball memberships in the schools who were given the netballs to the number of memberships in schools who were not provided with netballs. At the end of the study, the data is analysed and the NNL researchers find that the primary schools given the netballs have significantly higher numbers of Junior Netball Club members than those primary schools not provided with netballs. Is this study experimental or observational? [Select] Is there any bias in the sample selection evident in the description of this study? [Select] E D C R R F 5 FO € V T G 17 O 2 6 Y B FR & 7 DS H L 201 > M N P * 8 1 M ( 9 K F11 9 A WS2 1 0 . 1:12 Par P > P Mec ; { 1 . 5 Tack Delete 1 V 6 pts ING US CM 935 19:30 315 PM 6/05/2012 7 1
W S 3 schools are randomly allocated to one of two groups, a control group and an experimental group. Half of the schools in lying the game. Sixty primary schools were randomly selected to take part in a study of spo à junior netball club. They think that providing schools with each group have an active sports program and half do not. In March, schools in the experimental group are presented with 20 new netballs. The presentation is made by a well-known NNL player who talks to the children about her NNL career. In October the schools in the experimental group are asked to survey their students and to record the number of children who are members of a junior netball club. Schools in the control group are asked to survey their students in October and to record the number of children who are members of a netball club. After the data is collected in October, the researchers compare the number of netball memberships in the schools who were given the netballs to the number of memberships in schools who were not provided with netballs At the end of the study, the data is analysed and the NNL researchers find that the primary schools given the netballs have significantly higher numbers of Junior Netball Club members than those primary schools not provided with netballs. Is this study experimental or observational? What research design has been used here? [Select] Is there any bias in the sample selection evident in the description of this study? E No D 4 R C R F 5 V T G A 6 B O D Y & 7 H N ★ 8 J 1 M ( 9 K 1 O F12 L P Prisc : ; 4 ( " Delete Y 1 ENG US
17 elo 2 W S playing the game. Sixty primary schools were randomly selected to take part in a study of sports Junior netball club. They think that providing schools with on. The schools are randomly allocated to one of two groups, a control group and an experimental group. Half of the schools in each group have an active sports program and half do not. 3 In March, schools in the experimental group are presented with 20 new netballs. The presentation is made by a well-known NNL player who talks to the children about her NNL career. In October the schools in the experimental group are asked to survey their students and to record the number of children who are members of a junior netball club. Schools in the control group are asked to survey their students in October and to record the number of children who are members of a netball club. After the data is collected in October, the researchers compare the number of netball memberships in the schools who were given the netballs to the number of memberships in schools who were not provided with netballs. # At the end of the study, the data is analysed and the NNL researchers find that the primary schools given the netballs have significantly higher numbers of Junior Netball Club members than those primary schools not provided with netballs. Is this study experimental or observational? [Select] Select Experimental Observational Select) Is there any bias in the sample selection evident in the description of this study? [Select] E F4 D $ C F5 R F been used here? % 5 F6 € V A T G H A 6 B Y FB & 7 H STU F9 U N D * 8 J F10 1 ( M 9 K FM1 TRA O ) < F P12 L Alt P Prisior : ; 4 Ctrl = { 1 B ** ? . 1 1 ING P
42 W S each group have an active sports program and half do not. are randomly allocated to one of two groups, a control group and an experimental group. Half of the schools in In March, schools in the experimental group are presented with 20 new netballs. The presentation is made by a well-known NNL player who talks to the children about her NNL career. In October the schools in the experimental group are asked to survey their students and to record the number of children who are members of a junior netball club. Schools in the control group are asked to survey their students in October and to record the number of children who are members of a netball club. After the data is collected in October, the researchers compare the number of netball memberships in the schools who were given the netballs to the number of memberships in schools who were not provided with netballs. At the end of the study, the data is analysed and the NNL researchers find that the primary schools given the netballs have significantly higher numbers of Junior Netball Club members than those primary schools not provided with netballs. Is this study experimental or observational? [Select) What research design has been used here? Select) Select Abendent groups Repeated measures Matched pairs [Select] E F4 D $ C R F D iple selection evident in the description of this study? FO % 5 € V T G 17 A 6 B O Y & 7 Sixty primary schools were randomly selected to take part in a study of sport They think that providing schools with H C U N P 8 J 1 M ( 9 K F1Y O F12 Alt P Passer : 1 Ynsert + ( 1 ** ? . Deiste ENG US Po